Work, Power, and Energy

Work, Power, and Energy

Assessment

Flashcard

Physics

11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Work in physics?

Back

Work is defined as the transfer of energy that occurs when a force is applied to an object over a distance. It is calculated as Work = Force x Distance x cos(θ), where θ is the angle between the force and the direction of motion.

2.

FLASHCARD QUESTION

Front

What is the formula for calculating Kinetic Energy?

Back

Kinetic Energy (KE) is calculated using the formula KE = 1/2 mv², where m is the mass of the object and v is its velocity.

3.

FLASHCARD QUESTION

Front

What is Potential Energy?

Back

Potential Energy (PE) is the energy stored in an object due to its position or configuration. The most common form is gravitational potential energy, calculated as PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

4.

FLASHCARD QUESTION

Front

How does doubling the mass of an object affect its Kinetic Energy?

Back

If the mass of an object doubles, its kinetic energy also doubles, since KE is directly proportional to mass (KE = 1/2 mv²).

5.

FLASHCARD QUESTION

Front

What is the relationship between Kinetic Energy and Momentum?

Back

Kinetic Energy and Momentum are related; if an object has kinetic energy, it also has momentum. Momentum (p) is calculated as p = mv, where m is mass and v is velocity.

6.

FLASHCARD QUESTION

Front

What is the principle of Conservation of Energy?

Back

The principle of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another. The total energy in a closed system remains constant.

7.

FLASHCARD QUESTION

Front

What happens to Kinetic Energy when an object comes to a stop?

Back

When an object comes to a stop, its kinetic energy is converted into other forms of energy, such as thermal energy due to friction.

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