Force and Motion

Force and Motion

Assessment

Flashcard

Physics

8th 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 Newton's Second Law of Motion?

Back

Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This can be expressed with the formula F=ma, where F is force, m is mass, and a is acceleration.

2.

FLASHCARD QUESTION

Front

Can you give an example of Newton's Second Law of Motion?

Back

An example of Newton's Second Law of Motion is that a truck requires a more powerful engine than a small car to achieve the same acceleration due to its greater mass.

3.

FLASHCARD QUESTION

Front

What is Newton's Third Law of Motion?

Back

Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction.

4.

FLASHCARD QUESTION

Front

Can you provide an example of Newton's Third Law of Motion?

Back

An example of Newton's Third Law of Motion is a boy jumping on a trampoline; as he pushes down on the trampoline, the trampoline pushes him upward with an equal force.

5.

FLASHCARD QUESTION

Front

What is friction?

Back

Friction is a force that opposes the motion of an object. It acts in the opposite direction to the movement and can affect the speed and direction of the object.

6.

FLASHCARD QUESTION

Front

In the context of motion, what does inertia refer to?

Back

Inertia is the tendency of an object to resist changes in its state of motion. An object at rest stays at rest, and an object in motion continues in motion unless acted upon by a net external force.

7.

FLASHCARD QUESTION

Front

What happens to a person who is not wearing a seat belt during a sudden stop?

Back

A person who is not wearing a seat belt continues to move forward at the original speed of the car due to inertia, which can lead to injury.

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