Physical Science Semester Review

The rate at which an object’s velocity changes is called what?

• inertia

• actualization

• acceleration

• completion

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Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

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Accelerations are produced by

• forces.
•  velocities.
•  accelerations.
•  masses.

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Which way will the box accelerate?

• To the right

• to the left

• The object will not accelerate

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A 20 kg bike accelerates at 10 m/s². what was the force

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

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F=MA

An object of mass 10 kg is accelerated upward at 2 m/s². What force is required?

• 20 N

• 2 N

• 5 N

• 0 N

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If an object was accelerating at 10 m/s^2, and a force of 10 newtons was required to accelerate it, what was the object's mass?

• 1 kilogram
• 10 kilograms
• 2 kilograms
• 5 kilograms

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How does acceleration of an object change in relation to its mass? It is

• directly proportional.
• Acceleration doesn't depend on mass at all. 
• c. inversely proportional.

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The acceleration produced by a net force on an object is

• inversely proportional to the mass of the object.
• directly proportional to the magnitude of the net force.
• in the same direction as the net force.
•  all of the above

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How will this object accelerate?

• It won't accelerate.

• It will accelerate to the right.

• It will accelerate to the left.

• It will accelerate in both directions.

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