Physics Flashcard 4

Physics Flashcard 4

Assessment

Flashcard

Science

9th Grade

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 1st Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by a net external force.

2.

FLASHCARD QUESTION

Front

What is Newton's 2nd Law of Motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. (F = ma)

3.

FLASHCARD QUESTION

Front

What is the definition of net force?

Back

The vector sum of all the forces acting on an object.

4.

FLASHCARD QUESTION

Front

How does mass affect acceleration according to Newton's 2nd Law?

Back

A more massive object requires more force to achieve the same acceleration as a less massive object.

5.

FLASHCARD QUESTION

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

6.

FLASHCARD QUESTION

Front

How do seatbelts work in a car crash?

Back

Seatbelts reduce the acceleration of the passenger, thereby reducing the impact force experienced during a crash.

7.

FLASHCARD QUESTION

Front

What happens to a passenger during a car crash according to Newton's 1st Law?

Back

The passenger continues moving forward after the car stops until something (like a seatbelt or airbag) stops them.

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