Work and Power in Physics
A Grade 10 Science worksheet covering fundamental concepts of work, power, and their calculations.
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
Force / area
3. Work is done when a causes a displacement of an object.
4. The formula for calculating work is W = x .
5. A machine that does work at a faster rate has more .
6. A force of 50 N is applied to move a box 5 meters in the direction of the force. Calculate the work done.
7. A student lifts a 2 kg book from the floor to a shelf 1.5 meters high in 3 seconds. Calculate the power exerted by the student. (Assume g = 9.8 m/s²)
8. If you push against a wall and it doesn't move, you have done work on the wall.
True
False
9. Power is a scalar quantity.
True
False
Match the term on the left with its definition on the right.
10. Work
a. Rate at which work is done.
11. Power
b. The transfer of energy from one object to another.
12. Joule
c. Unit of work and energy.
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