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Math

11th Grade Electric Power Quizzes, Questions & Answers

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Physics Chapter 10 Energy, Work, And Simple Machines

This quiz covers Chapter 10 in physics involving problems over work, power, and energy.

Questions: 10 | Attempts: 3176 | Last updated: Aug 28, 2023

Sample Question 1
A pulley system consits of two fixed pulleys and two movable pullys that lift a load that has a weight of 300 N. If the effort force used to lift the load is 100 N, What is the mechnaical advantage of the system?

1/3

3/4

3

6

Sample Question 2
The box in the diagram is being pushed up the ramp with a force of 100 N. If te height of the ramp is 3.0 m, what is the work done on the box?

150 J

260 J

450 J

600 J

Sample Question 3
A compound machine used to raise heavy boxes consists of a ramp and a pulley. The efficiency of pulling a 100 kg box up the ramp is 50%. If the efficiency of the pulley is 90%, what is the overall efficiency of the compound machine?

40%

45%

50%

70%