Net Force Question with no velocity or time given.

  • #1
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[SOLVED] Net Force Question with no velocity or time given.

Homework Statement


A ball of mass 0.6 kg flies through the air at low speed, so that air resistance is negligible.

What is the net force acting on the ball while it is in motion?

Homework Equations


Fnet = m(change in velocity/change in time)

The Attempt at a Solution


Can't attempt because I don't know how to find the change in velocity or the change in time. They don't tell beginning time or ending time, the tell the weight, and neither the velocity. I know the vector will look like <0, y, 0> but I don't know how to calculate the y value.
 

Answers and Replies

  • #2
You already know you can ignore air resistance. What other forces act on the ball?
 
  • #3
You have gravity acting on the ball as well, and that's it. The gravity is pulling the ball down in the y direction. Would it be gravity? Or the weight plus gravity?
 
  • #4
Is gravity -9.8 N? If it is then that should be the answer right?
 

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