14. Which of the following is an example of negative work? a. applied force b. force of friction c. normal force d. parallel force

College Physics
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ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 2CQ: Give an example of a situation in which there is a force and a displacement, but the force does no...
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14. Which of the following is an example of negative work?
c. normal force
a. applied force
b. force of friction
d. parallel force
15. Ergon is the Greek word for
a. displacement
c. force
b. work
d. friction
Transcribed Image Text:14. Which of the following is an example of negative work? c. normal force a. applied force b. force of friction d. parallel force 15. Ergon is the Greek word for a. displacement c. force b. work d. friction
7. A car engine exerts a driving force of 12 000 N. The work done by the car in traveling a distance of 500
m is
a. 0J
c. 6 x 106 J
b. 24 J
d. 6000 J
8. How much work is done in lifting a 60 kg sack of rice to a vertical distance of 10.0 m?
a. 600 J
c. 2310 J
b. 980 J
d. 5880 J
Transcribed Image Text:7. A car engine exerts a driving force of 12 000 N. The work done by the car in traveling a distance of 500 m is a. 0J c. 6 x 106 J b. 24 J d. 6000 J 8. How much work is done in lifting a 60 kg sack of rice to a vertical distance of 10.0 m? a. 600 J c. 2310 J b. 980 J d. 5880 J
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