5470 Conservation of Energy (PEg, KE only)

5470 Conservation of Energy (PEg, KE only)

Assessment

Flashcard

Physics

11th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What happens to gravitational potential energy as an object moves downhill?

Back

Gravitational potential energy decreases.

2.

FLASHCARD QUESTION

Front

If two objects have different masses but reach the same height, how do their final speeds compare?

Back

They have the same final speed when they reach the bottom.

3.

FLASHCARD QUESTION

Front

What is the relationship between kinetic energy and gravitational potential energy in a frictionless system?

Back

As gravitational potential energy decreases, kinetic energy increases, and vice versa.

4.

FLASHCARD QUESTION

Front

What is mechanical energy?

Back

Mechanical energy is the sum of kinetic energy and gravitational potential energy in a system.

5.

FLASHCARD QUESTION

Front

What is the principle of conservation of energy?

Back

The total energy in a closed system remains constant; energy can neither be created nor destroyed, only transformed.

6.

FLASHCARD QUESTION

Front

What happens to total mechanical energy during a collision?

Back

Total mechanical energy can be lost due to non-conservative forces like friction, sound, and heat.

7.

FLASHCARD QUESTION

Front

What type of energy is constant when a ski lift moves at constant speed?

Back

Kinetic energy remains constant.

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