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Force: momentum, free fall, buoyancy

Authored by Stacy Turner

Science

8th Grade

HS-PS2-1 covered

Used 24+ times

Force: momentum, free fall, buoyancy
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the weight of an object is less than the buoyant force, what direction will the net force be?

upward

downward

it won't move

Tags

HS-PS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the only force acting on an object in free fall?

acceleration

momentum

gravity

free fall

Tags

MS-PS2-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the net force of an object is upward, the object will float.

true

false

Tags

HS-PS2-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The buoyant force acts in the opposite direction to the force of _______.

gravity

friction

force

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit for velocity?

kg

kg x m/s

m/s

m/s^2

Tags

HS-PS2-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Acceleration is the centripetal force that causes a satellite to move in a circle.

true

false

Tags

HS-PS2-1

HS-PS2-4

HS-ESS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the momentum of a 6 kg cat sprinting at a speed of 3 m/s to the left?

12 m/s to the left

2 kg^2

2 m/s to the left

12 kg x m/s to the left

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