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Chapter 5: Q. 13 (page 127)

Is it possible for the friction force on an object to be in the direction of motion? If so, give an example. If not, why not?

Short Answer

Expert verified

Yes, It is possible.

Step by step solution

01

Given Information :

Given an object is in the state of motion.

We need to determine whether the friction force on it can be possible in the direction of the motion.

02

Simplification :

The friction force always represents the force that is exerted to slow down the motion of the object, but in some cases, the friction force has the same direction of the motion of the object. For example, when you put a box on a chair and pull the chair, there is static friction between the box and the chair it has the same direction of the motion of the chair.

So, the answer is yes, it is possible.

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Most popular questions from this chapter

Problems 42 through 52 describe a situation. For each, draw a motion diagram, a force-identification diagram, and a free-body diagram.

You’ve jumped down from a platform. Your feet are touching

the ground and your knees are flexing as you stop.

An object experiencing a constant force accelerates at 8m/s2.

What will the acceleration of this object be if

a. The force is halved? Explain.

b. The mass is halved?

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Figure shows an object’s acceleration-versus-force graph. What is the object’s mass?

FIGURE Q5.15 shows a hollow tube forming three-quarters of a circle. It is lying flat on a table. A ball is shot through the tube at high speed. As the ball emerges from the other end, does it follow path A, path B, or path C ? Explain.

Problems 35 through 40 show a free-body diagram. For each:

a. Identify the direction of the acceleration vector a→and show it as a vector next to your diagram. Or, if appropriate, write a→=0→

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correct free-body diagram. Use Examples 5.4, 5.5, and 5.6 as

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