Newton's Laws of Motion

Newton's Laws of Motion

Assessment

Flashcard

Physics, Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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11 questions

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1.

FLASHCARD QUESTION

Front

Two astronauts are playing catch in space. What happens when the first astronaut throws the ball?

Back

The ball moves, and so does the astronaut.

2.

FLASHCARD QUESTION

Front

How much force is needed to accelerate a 60 kg rider and her 240 kg motorcycle at 3 m/s2?

Back

900 N

3.

FLASHCARD QUESTION

Front

A 10 kg mass is dropped from a tall rooftop and accelerates at 9.8 m/s2. What is the weight of the dropped object?

Back

98 N

4.

FLASHCARD QUESTION

Front

Which statement below is false?

  • Weight depends on the force of gravity.
  • Mass is the amount of matter in an object.
  • Mass is a constant no matter where you are located.
  • Weight is a constant no matter where you are located.

Back

Weight is a constant no matter where you are located.

5.

FLASHCARD QUESTION

Front

When a person jumps horizontally off of the end of an unanchored boat in a lake, the person goes forward and the boat goes backward. This is an example of what Law of Motion?

Back

Newton's Third Law of Motion

6.

FLASHCARD QUESTION

Front

In which situation is the object experiencing balanced forces?

  • A girl swings on a swing at the playground.
  • A car brakes as it approaches a traffic light.
  • A sled speeds up as it slides down a snow-covered hill.
  • A sky diver reaches terminal velocity when he stops accelerating.

Back

A sky diver reaches terminal velocity when he stops accelerating.

7.

FLASHCARD QUESTION

Front

The object ____________ has a greater gravitational force and that determines what satellites orbit around it.

Media Image

Back

with the greater mass

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