Work, Power, and Energy Review
A Grade 11 Physics worksheet covering fundamental concepts of work, power, and energy with various question types.
Includes
Standards
Topics
Work, Power, and Energy Review
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following is the correct unit for work?
Watt
Joule
Newton
Meter
2. What is the power of an engine that performs 1200 J of work in 8 seconds?
150 W
9600 W
1208 W
1192 W
3. Energy is the ability to do .
4. The law of conservation of energy states that energy cannot be created or .
5. Potential energy is the energy an object possesses due to its position or .
6. If you push against a wall and it doesn't move, you have done work on the wall.
True
False
7. Power is the rate at which work is done or energy is transferred.
True
False
8. A 50 kg object is lifted to a height of 10 meters. Calculate the gravitational potential energy gained by the object. (Use g = 9.8 m/s²)
9. Explain the difference between kinetic energy and potential energy, providing an example for each.
10. A car with a mass of 1200 kg accelerates from rest to 20 m/s in 5 seconds.
a) Calculate the kinetic energy of the car when it reaches 20 m/s.
b) Calculate the average power developed by the car's engine during this acceleration.
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