Unit 3 Final Review

Unit 3 Final Review

Assessment

Flashcard

Physics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is momentum?

Back

Momentum is the product of an object's mass and its velocity, represented by the formula p = mv, where p is momentum, m is mass, and v is velocity.

2.

FLASHCARD QUESTION

Front

How is momentum conserved in a closed system?

Back

Momentum is conserved in a closed system when the net external force acting on the system is zero.

3.

FLASHCARD QUESTION

Front

What factors affect the momentum of an object?

Back

The momentum of an object is affected by its mass and velocity; increasing either will increase momentum.

4.

FLASHCARD QUESTION

Front

What is the relationship between force, time, and momentum?

Back

The change in momentum of an object is equal to the force applied multiplied by the time duration of the force, expressed as F = Δp/Δt.

5.

FLASHCARD QUESTION

Front

What happens to momentum when two objects collide?

Back

In a collision, the total momentum of the two objects before the collision is equal to the total momentum after the collision, assuming no external forces act on them.

6.

FLASHCARD QUESTION

Front

What is the difference between elastic and inelastic collisions?

Back

In elastic collisions, both momentum and kinetic energy are conserved. In inelastic collisions, momentum is conserved, but kinetic energy is not.

7.

FLASHCARD QUESTION

Front

How does a light spring affect collision safety?

Back

A light spring provides a safer collision by extending the time over which the collision occurs, reducing the force experienced.

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