Net Work & Kinetic Energy Video Lessons

Video Thumbnail

Concept

Problem: A 40.0-kg box initially at rest is pushed 5.00 m along a rough, horizontal floor with a constant applied horizontal force of 130 N. The coefficient of friction between box and floor is 0.300. Find(a) the work done by the applied force,(b) the increase in internal energy in the box–floor system as a result of friction,(c) the work done by the normal force, (d) the work done by the gravitational force,(e) the change in kinetic energy of the box, and(f) the final speed of the box.

FREE Expert Solution

(a)

The work done by applied force is given by:

W=F·d

83% (120 ratings)
View Complete Written Solution
Problem Details

A 40.0-kg box initially at rest is pushed 5.00 m along a rough, horizontal floor with a constant applied horizontal force of 130 N. The coefficient of friction between box and floor is 0.300. Find

(a) the work done by the applied force,
(b) the increase in internal energy in the box–floor system as a result of friction,
(c) the work done by the normal force, (d) the work done by the gravitational force,
(e) the change in kinetic energy of the box, and
(f) the final speed of the box.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Net Work & Kinetic Energy concept. You can view video lessons to learn Net Work & Kinetic Energy. Or if you need more Net Work & Kinetic Energy practice, you can also practice Net Work & Kinetic Energy practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Al-Rawi's class at UCF.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Physics for Scientists and Engineers - Serway Calc 9th Edition. You can also practice Physics for Scientists and Engineers - Serway Calc 9th Edition practice problems.