Newton's Laws Practice Problems

Given the race car shown in the image - assume the car is moving forward, is the car speeding up or slowing down?

What is the net force on this object?

What is the net force on this object?

If the bear has a weight of 1500 N, what is the reading on the fourth scale?

What is the net force required to give an automobile of mass 1600 kg an acceleration of 4.5 m/s²?

What is the acceleration of a wagon of mass 20 kg if a horizontal force of 64 N is applied to it (ignore friction)?

What is the mass of an object that is experiencing a net force of 200 N and an acceleration of 500 m/s²?

A bicycle takes 8.0 seconds to accelerate at a constant rate from rest to a speed of 4.0 m/s. If the mass of the bicycle and rider together is 85 kg, what is the net force acting on the bicycle?

Jane has a mass of 40 kg. She pushes on a 50 kg rock with a force of 100 N. What force does the rock exert on Jane?

An 8 kg bowling ball is rolling in a straight line towards you. If its momentum is 16 kg*m/s, how fast is it traveling?