
Force: momentum, free fall, buoyancy
Authored by Stacy Turner
Science
8th Grade
HS-PS2-1 covered
Used 24+ times

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20 questions
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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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