Short Quiz in Science 8 infer that when a body exerts a force on another, an equal amount of fo

Science

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S8FE-Ia-16

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5 questions
• Q1
Galileo's concept of the resistance to a change of motion
momentum
inertia
motion
space
30s
S8FE-Ia-16
• Q2
Use inertia to explain why you feel pressed back into the seat of a car when it accelerates.
Because of your inertia, your body tends to remain in place. The car seat causes you to accelerate, therefore, by exerting force on your back.
all of the above
Because of your gravity, your body tends to remain in place. The car seat causes you to accelerate, therefore, by exerting force on your back.
Because of your inertia, your body tends to remain in place. The car seat causes you to accelerate, therefore, by exerting force on your front.
30s
S8FE-Ia-16
• Q3
How could you keep an object's acceleration the same if the force acting on the object were doubled?
all of the following
your could tripple the object's mass
your could double the object's mass
your could double the object's motion
30s
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• Q4
Explain why a car with a large mass might use more fuel than a car with smaller mass. Assume both cars drive the same distance.
A greater force is required to accelerate a most massive car, therefore, more engine power and more fuel are needed.
A greater friction is required to accelerate a more massive car, therefore, more engine power and more fuel are needed.
A greater force is required to accelerate a more massive car, therefore, more engine power and more fuel are needed.
A lesser force is required to accelerate a more massive car, therefore, more engine power and more fuel are needed.
30s
S8FE-Ia-16
• Q5
_______________ is a characteristic of a moving object that depends on both the mass and the velocity of the object.
momentum
friction
force
space
30s
S8FE-Ia-16

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