Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). The force of friction on the sled is 60N and he pulls horizontally with 65N. a. What is the normal force on the sled? b. What is the acceleration of the sled? c. How fast will they be moving in 60s if they started from rest?

Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). The force of friction on the sled is 60N and he pulls horizontally with 65N. a. What is the normal force on the sled? b. What is the acceleration of the sled? c. How fast will they be moving in 60s if they started from rest?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 86A

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Question

Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). The force of friction on the sled is 60N and he pulls horizontally with 65N.

a. What is the normal force on the sled?
b. What is the acceleration of the sled?
c. How fast will they be moving in 60s if they started from rest?
d. How far will they go in this time?

Definition Definition Force that opposes motion when the surface of one item rubs against the surface of another. The unit of force of friction is same as the unit of force.

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