21. A child pushes a 315 g toy truck across a horizontal rough surface. (coefficient of kinetic friction, Hg = 0.73). a. Draw a formal free-body diagram of the toy truck if it is being pushed horizontally to the right. b. What total force must the child apply to push the truck at a constant speed?

21. A child pushes a 315 g toy truck across a horizontal rough surface. (coefficient of kinetic friction, Hg = 0.73). a. Draw a formal free-body diagram of the toy truck if it is being pushed horizontally to the right. b. What total force must the child apply to push the truck at a constant speed?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 17P: (a) Find the tension in each cable supporting the 6.00 102-N cat burglar in Figure P4.35. (b)...

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Question

21. A child pushes a 315 g toy truck across a horizontal rough surface.
(coefficient of kinetic friction, ux = 0.73).
a. Draw a formal free-body diagram of the toy truck if it is being pushed horizontally to
the right.
b. What total force must the child apply to push the truck at a constant speed?
22. A 1600 g tool is thrown at 15.0 m/s, 40° above the horizontal from the top of an 80.0 m
building under construction. How long does it take to hit the ground? Draw a vector diagram

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