F=ma Multiple Choice Test

A worker is moving a large crate (mass = 250kg). Once it is moving it accelerates at .22 m/sec^2⁡〖North.〗 The worker is able to apply 325 N of force, what is the frictional force between the crate and the floor?

Zack is pushing a huge rock (mass=125kg) in his yard. Once it is moving it accelerates at .13 m/sec^2⁡〖East.〗 Zack is able to apply 55 N of force, what is the frictional force between the rock and the ground?

A little boy pushes a wagon with his dog in it. The mass of the dog and wagon together is 45 kg. The wagon accelerates at 0.85 m/s2. What force is the boy pulling with?

A tennis ball, 0.654 kg, is accelerated at a rate of 155 m/s2 when hit by a professional tennis player. What force does the player's tennis racket exert on the ball?

3 women push a stalled car. Each woman pushes with a 44 N force. What is the mass of the car if the car accelerates at 0.2 m/s2?

A crate is dragged across an ice covered lake. The box accelerates at 0.87 m/s2 and is pulled by a 100 N force. What is the mass of the box?

14. A 100 kg runner exerts a force of 90 N. What is the acceleration of the runner?

A child pushes her toy with a force of 5 Newtons. The toy accelerates to .05 meters/sec^2. What is the mass of the toy?

A woman pushes a box (mass: 33 kilograms). The static friction between the box and the ground is 27 Newtons, while the kinetic friction is 9 Newtons. With what force must she push the box in order to get it to accelerate at 1.2 m/s2 to the north?

A woman pushes a box (mass: 33 kilograms). The static friction between the box and the ground is 27 Newtons, while the kinetic friction is 9 Newtons. With what force must she push the box in order to get it moving?

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