4 Newton's Second Law of Motion - Worksheet1. A little boy pushes a wagon with his dog in it. The mass of the dog and wagon together is 45kg. The wagon accelerates at 0.85 m/s². What force is the boy pulling with?2. A 1650 kg car accelerates at a rate of 4.0 m/s². How much force is the car's engineproducing?3. A 68 kg runner exerts a force of 59 N. What is the acceleration of the runner?4. A crate is dragged across an ice covered lake. The box accelerates at 0.08 m/s² and is pulledby a 47 N force. What is the mass of the box?5. 3 women push a stalled car. Each woman pushes with a 425 N force. What is the mass of thecar if the car accelerates at 0.85 m/s2?6. A tennis ball, 0.314 kg, is accelerated at a rate of 164 m/s² when hit by a professional tennisplayer. What force does the player's tennis racket exert on the ball?7. In an airplane crash a woman is holding an 8.18 kg baby. In the crash the womanexperiences a horizontal de-acceleration of 88.2 m/s². How many g's is this de-acceleration?How much force must the woman exert to hold the baby in place?

Given: Force, F=47N Acceleration of box, a=0.08m/s2

Answered: 4. A crate is dragged across an ice…

4. A crate is dragged across an ice covered lake. The box accelerates at 0.08 m/s² and is pulled by a 47 N force. What is the mass of the box?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 67P

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Question

Newton's Second Law of Motion - Worksheet
1. 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?
2. A 1650 kg car accelerates at a rate of 4.0 m/s². How much force is the car's engine
producing?
3. A 68 kg runner exerts a force of 59 N. What is the acceleration of the runner?
4. A crate is dragged across an ice covered lake. The box accelerates at 0.08 m/s² and is pulled
by a 47 N force. What is the mass of the box?
5. 3 women push a stalled car. Each woman pushes with a 425 N force. What is the mass of the
car if the car accelerates at 0.85 m/s2?
6. A tennis ball, 0.314 kg, is accelerated at a rate of 164 m/s² when hit by a professional tennis
player. What force does the player's tennis racket exert on the ball?
7. In an airplane crash a woman is holding an 8.18 kg baby. In the crash the woman
experiences a horizontal de-acceleration of 88.2 m/s². How many g's is this de-acceleration?
How much force must the woman exert to hold the baby in place?

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