Physics Problem: Fnet=ma or Fnet= 0? - Physics Forums
2014年7月10日 · This question has been posted and I do apologize for posting again, but I am having trouble determining when to use Fnet=ma or Fnet= 0 for questions like these. I have …
Newton’s second law says F->net=ma-> So is ma-> force?
2015年9月23日 · Homework Statement Newton’s second law says F->net=ma->. So is ma-> a force? Explain. -> is a top bar arrow. Homework Equations F=ma or Fnet=ma The Attempt at a …
Solve Fnet = ma Problem: Force & Acceleration of Blocks A & B
2008年5月6日 · Fnet = ma The Attempt at a Solution Part 1: Fa pushes on block A: Block A has Fa pushing to the right, and block B pushing to the left so Fnet = massblockA *acceleration = …
F = ma also equals to F = mg? F = Fa - Ff? - Physics Forums
2009年7月20日 · Why is F = ma equals to F =mg? Also what is F = Fa - Ff? It came from this question. The question is c) If the box moves at a constant speed of 2m/s-1 when a 50N force …
Calculating Net Force and Friction: Understanding Newton's Laws …
2019年6月10日 · Fnet = ma , so I need to find a which equals v=V0+at = 0+1.6/2 = .8m/s^2 So Fnet = .072kg*.8m/s^2 = 0.576N So the net force acting on the block is 0.576 N or 0.58N Now …
Calculating Tension in a Rope: Is Fnet=ma Correct? - Physics Forums
2008年12月7日 · [b]1. Pulling up on a rope, you lift a 4.00-kg bucket of water from a well with an acceleration of 2.40m/s2. What is the Tension in the rope? [b]2. I know the basic equations …
Pulley Questions: 15kg, 12kg, Fnet, ma, Fg, mg - Physics Forums
2008年5月14日 · I multiplied gravity times both weight fg=mg, fg=15(9.80) and fg=12(9.80) giving me 147 newtows and 117.6 Newtons than i did Fnet=ma Fnet=147n-117.6n Fnet=29.4 than i …
Solving Elevator Problems w/ Fnet=ma: 10m/s & 2.4 m/s2
2007年9月16日 · Homework Statement A 56.0 kg girl weighs herself by standing on a scale in an elevator. What is the force exerted by the scale when the elevator is descending at a constant …
Solving the Conceptual Fnet=ma Problem for Bill & Susan
2007年2月1日 · sorry i got one more question, its conceptual and i have a little problem with it, 1. The problem: Bill and Susan are both standing on identical skateboards (with really good ball …
Newton's 2nd Law confusion: mass times acceleration is not a force?
2024年10月16日 · If we reorder F = ma, we get F/m = a And putting general acceleration formula into Newton second law of motion F = ma F = m x (v-u) /t F = (mv - mu) /t Hence, proved that …