Conservation of Energy

Conservation of Energy

Assessment

Flashcard

Science, Physics

9th - 12th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the law of conservation of energy?

Back

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another in a closed, isolated system.

2.

FLASHCARD QUESTION

Front

What is work in physics?

Back

Work is defined as the product of force and the distance over which it acts, and it is done when a force causes an object to move.

3.

FLASHCARD QUESTION

Front

How is power defined in physics?

Back

Power is the rate at which work is done or energy is transferred, calculated as work done divided by the time taken.

4.

FLASHCARD QUESTION

Front

What is the formula for calculating work?

Back

Work (W) = Force (F) × Distance (d) × cos(θ), where θ is the angle between the force and the direction of motion.

5.

FLASHCARD QUESTION

Front

What is the unit of work?

Back

The unit of work is the Joule (J), which is equivalent to one Newton meter (N·m).

6.

FLASHCARD QUESTION

Front

What is the unit of power?

Back

The unit of power is the Watt (W), which is equivalent to one Joule per second (J/s).

7.

FLASHCARD QUESTION

Front

How do you calculate power?

Back

Power (P) = Work (W) / Time (t).

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?