Work and Power in Physics
Explore the fundamental concepts of work and power in physics with this comprehensive worksheet for Grade 9 students.
Includes
Standards
Topics
Work and Power in Physics
Name:
Date:
Score:
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. Power is defined as:
Force x Distance
Work / Time
Mass x Acceleration
Energy x Velocity
3. Work is done when a force causes a .
4. The unit of power is the .
5. If you push against a wall, but the wall does not move, then no is done.
6. A person pushes a box with a force of 50 N over a distance of 10 meters. Calculate the work done.
7. A motor does 1200 J of work in 8 seconds. What is the power of the motor?
8. Lifting a weight straight up requires more power than pushing it horizontally the same distance.
True
False
9. Work is a scalar quantity.
True
False
Use the words below to complete the sentences.
10. The capacity to do work is called .
11. The rate at which work is done is called .
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