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Best Online Stock Trading Brokers for 2018 If you’re looking for a way to build more wealth in 2018, getting started with one of the best online brokerage accounts is a solid first step. Doing so will allow you to invest outside your traditional retirement accounts and on your own terms. The best part is, the best online brokerage firms charge little or no fees and offer excellent resources that can help you learn more about investing along the way. Of course, not all brokerage firms are created equal, and that’s why we took the time to break down each of their details and rank the top options on an array of factors. If you’re looking for a new way to invest this year and are ready to strike out on your own, the following online brokerage accounts should be at the top of your list.What Matters When You Trade Stocks on Your Own? Managing your own money can be a stressful endeavor. To minimize this, and to minimize information overload that tends to come from watching the markets 24/7, there are a few must-haves to look for in an online broker. Clean interface. When I trade, I want to be able to easily find my order entry ticket. I don’t want it buried under a number of drop downs. This interface should have intuitive access to see your balance, available cash, positions with real time P/L and all be easily navigated. Quick access to basic charting. A chart tells me where the stock has been recently. I don’t trade minute to minute anymore, so I don’t need complex tools like stochastics or retracement lines. All that’s important is that I have a basic chart on a yearly, monthly, weekly, daily and intra day time period. I use a chart to see current price relative to those time periods, mainly to avoid purchasing at a bad price. Low fees. One of the biggest roadblocks to building wealth is fees incurred to invest your hard-earned dollars. Because the fees charged by different brokerage firms vary so dramatically, it’s crucial to seek out options that charge low fees (or no fees) for account management and trades. There are over 50 online brokerages where you can open an account. Beyond the my three rules above, best online brokerage accounts aren’t just for trading stocks. Sure, many of them started as online stock trading accounts, but now they’re full-fledged trading, saving, investing, retirement planning, and banking machines. This industry is more complex than the average person thinks. You shouldn’t just pick any online broker and sign up for an account. The best online broker for one person is often completely different for the next person. Use this resource as a guide to your decision process. Figure out what features are best for you, and make your selection. What Makes a Great Online Broker? I analyzed a number of elements to come to my decision on which brokers are the best. Later in this post, I provide full details on how I selected the best online brokerages. When you take all the features, resources, trading platforms, and technology into account (while also considering every type of trader), the full-service brokers, like E*TRADE and TD Ameritrade are the best for the largest number of people. For those simply looking to make cheap trades, I would recommend going with Optionshouse. If you’re a very advanced trader, high-volume trader, or a professional who manages money, I recommend going with Interactive Brokers. However, I didn’t include Interactive Brokers on my list because they’re best for a very small group of traders and the platform is very complex. Top Qualities of Standout Online Trading Platforms Quality trading tools and technology Multiple trading platforms for all levels of traders Excellent mobile trading features Solid navigation that displays the relevant information where you want it Quality educational resources and research for trader development There’s more to selecting an online broker than price. You have to consider the resources you’re getting for the cost you pay per trade. For example, my colleague, who is also an ex-trader, likes to use a combination of stock and options trade in his longer-term trading. He recently switched over to Fidelity because he really liked the cash management features, but was very disappointed by complex order entry, sub-par options execution and frustrating navigation. He’s currently making the switch to one of the brokers I profile here.
Best Online Stock Trading Brokers for 2018 If you’re looking for a way to build more wealth in 2018, getting started with one of the best online brokerage accounts is a solid first step. Doing so will allow you to invest outside your traditional retirement accounts and on your own terms. The best part is, the best online brokerage firms charge little or no fees and offer excellent resources that can help you learn more about investing along the way. Of course, not all brokerage firms are created equal, and that’s why we took the time to break down each of their details and rank the top options on an array of factors. If you’re looking for a new way to invest this year and are ready to strike out on your own, the following online brokerage accounts should be at the top of your list.What Matters When You Trade Stocks on Your Own? Managing your own money can be a stressful endeavor. To minimize this, and to minimize information overload that tends to come from watching the markets 24/7, there are a few must-haves to look for in an online broker. Clean interface. When I trade, I want to be able to easily find my order entry ticket. I don’t want it buried under a number of drop downs. This interface should have intuitive access to see your balance, available cash, positions with real time P/L and all be easily navigated. Quick access to basic charting. A chart tells me where the stock has been recently. I don’t trade minute to minute anymore, so I don’t need complex tools like stochastics or retracement lines. All that’s important is that I have a basic chart on a yearly, monthly, weekly, daily and intra day time period. I use a chart to see current price relative to those time periods, mainly to avoid purchasing at a bad price. Low fees. One of the biggest roadblocks to building wealth is fees incurred to invest your hard-earned dollars. Because the fees charged by different brokerage firms vary so dramatically, it’s crucial to seek out options that charge low fees (or no fees) for account management and trades. There are over 50 online brokerages where you can open an account. Beyond the my three rules above, best online brokerage accounts aren’t just for trading stocks. Sure, many of them started as online stock trading accounts, but now they’re full-fledged trading, saving, investing, retirement planning, and banking machines. This industry is more complex than the average person thinks. You shouldn’t just pick any online broker and sign up for an account. The best online broker for one person is often completely different for the next person. Use this resource as a guide to your decision process. Figure out what features are best for you, and make your selection. What Makes a Great Online Broker? I analyzed a number of elements to come to my decision on which brokers are the best. Later in this post, I provide full details on how I selected the best online brokerages. When you take all the features, resources, trading platforms, and technology into account (while also considering every type of trader), the full-service brokers, like E*TRADE and TD Ameritrade are the best for the largest number of people. For those simply looking to make cheap trades, I would recommend going with Optionshouse. If you’re a very advanced trader, high-volume trader, or a professional who manages money, I recommend going with Interactive Brokers. However, I didn’t include Interactive Brokers on my list because they’re best for a very small group of traders and the platform is very complex. Top Qualities of Standout Online Trading Platforms Quality trading tools and technology Multiple trading platforms for all levels of traders Excellent mobile trading features Solid navigation that displays the relevant information where you want it Quality educational resources and research for trader development There’s more to selecting an online broker than price. You have to consider the resources you’re getting for the cost you pay per trade. For example, my colleague, who is also an ex-trader, likes to use a combination of stock and options trade in his longer-term trading. He recently switched over to Fidelity because he really liked the cash management features, but was very disappointed by complex order entry, sub-par options execution and frustrating navigation. He’s currently making the switch to one of the brokers I profile here.

Penerapan Aturan Newton Pada Gerak Benda Di Bidang Miring

Penerapan aturan Newton pada gerak benda di bidang miring yang licin hampir sama ibarat gerak pada bidang datar, hanya saja benda yang bergerak pada bidang tersebut dibuat dengan kemiringan sudut tertentu. Oleh sebab itu untuk memudahkan memahaminya, kita anggap bidang miring tersebut yaitu sumbu x, sedangkan yang tegak lurus pada bidang miring ialah sumbu y. Sekarang perhatikan Gambar 1 di bawah ini.
Penerapan aturan Newton pada gerak benda di bidang miring Penerapan Hukum Newton pada Gerak Benda di Bidang Miring
Gambar 1. Komponen gaya pada gerak benda di bidang datar 

Gambar 1 di atas mengatakan sebuah balok yang bermassa m bergerak menuruni bidang miring yang licin membentuk sudut α. Gaya yang bekerja pada sumbu x yakni:
∑F = N – mg cos α
Dalam hal ini benda tidak bergerak tehadap sumbu y maka:
∑F = 0
N – mg cos α = 0
N = mg cos α
Benda bergerak tehadap bidang miring (sumbu x) maka resultan gaya yang bekerja pada bidang tersebut yakni:
∑F = ma
mg sin α = ma
a = g sin α

Keterangan:
a = percepatan benda (m/s2)
N = gaya normal (N)
m = massa benda (kg)
α = sudut yang dibuat gaya terhadap bidang datar

Contoh Soal 1
Sebuah benda dengan massa 300 kg berada pada suatu bidang miring yang licin ibarat yang terlihat pada Gambar 2 di bawah ini. 
Penerapan aturan Newton pada gerak benda di bidang miring Penerapan Hukum Newton pada Gerak Benda di Bidang Miring
Gambar 2
a) Tentukan besar gaya yang mengakibatkan benda bergerak ke bawah, b) hitung kecepatan benda sehabis meluncur, c) hitung gaya normal yang dialami oleh balok.

Penyelesaian:
Jika diuraikan komponen gaya yang bekerja pada balok ibarat Gambar 2. 1 di bawah ini.
Penerapan aturan Newton pada gerak benda di bidang miring Penerapan Hukum Newton pada Gerak Benda di Bidang Miring
Gambar 2.1 Komponen gaya pada bidang miring
Terlebih dahulu cari panjang AC dengan Theorema Phytagoras yakni:
AC2 = AB2 + BC2
AC2 = 82 + 62
AC2 = 64 + 36
AC2 = 100
AC = √100
AC = 10 m

sin α = BC/AC
sin α = 6/10
sin α = 0,6

cos α = AB/AC
cos α = 8/10
cos α = 0,8

a) Besar gaya yang mengakibatkan benda bergerak ke bawah (Fx) yakni:
Fx = mg sin α
Fx = 300 kg . 10 m/s2 . 0,6
Fx = 1800 N

b) Kecepatan benda sehabis meluncur yakni:
a = g sin α
a = 10 m/s2 . 0,6
a = 6 m/s2

vt = √(2as)
vt = √(2 . 6 . 10)
vt = √120
vt = 10,9 m/s

c) Gaya normal yang dialami oleh balok yakni:
N – mg cos α = 0
N = mg cos α
N = 300 kg . 10 m/s2 . 0,8
N = 2400 N

Contoh Soal 2
Sebuah balok mempunyai massa 8 kg yang awalnya membisu meluncur pada bidang miring yang mempunyai sudut kemiringan 40° terhadap lantai. a) tentukan gaya normal yang dikerjakan bidang pada balok, b) tentukan gaya yang bekerja pada balok sehingga balok meluncur, c) tentukan kecepatan balok sehabis meluncur selama 10 detik.

Penyelesaian:
Contoh soal no 2 ini hampir sama ibarat teladan soal no 1, hanya saja pada soal ini terdapat sudut yang besarnya sudah ditentukan. 
Penerapan aturan Newton pada gerak benda di bidang miring Penerapan Hukum Newton pada Gerak Benda di Bidang Miring
Gambar 3.
Komponen gaya padang bidang dengan kemiringan tertentu
a). Gaya normal yang dikerjakan bidang pada balok yakni:
N = mg cos α
N = 8 kg . 10 m/s2 . cos 40°
N = 61,6 N

b) Gaya yang bekerja pada balok sehingga balok meluncur yakni:
F = mg sin α
F = 8 kg . 10 m/s2 . sin 40°
F = 51,2 N

c) Kecepatan balok sehabis meluncur selama 10 detik yakni:
a = g sin α
a = 10 m/s2 . sin 40°
a = 6,4 m/s2

vt = a . t
vt = 6,4 m/s2 . 10 s
vt = 64 m/s

Soal Tantangan
Sebuah balok es yang masanya 5 kg didorong dengan gaya 100 N memakai bidang miring dengan sudut 35° ibarat Gambar 4 di bawah ini.
Penerapan aturan Newton pada gerak benda di bidang miring Penerapan Hukum Newton pada Gerak Benda di Bidang Miring
Gambar 4
Jika sin 30° = 0,5 dan cos 30° = 0,87, tentukan gaya normal dan percepatan yang dialami oleh balok es tersebut.
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