physical science quiz

what is the definition of a force?

• The name of a transformer

• A push or a pull

• A none moving object

• An object that has come to a stop

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Is gravity a force?

• True

• False

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force is a ________ or ______

A balanced force causes a change in motion

• True

• False

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Select ALL the situations below that describe the motion of a car when forces acting on it are balanced.

• when the car is at rest

• when the car is slowing down

• when the car is speeding up

• when the car is moving at a constant speed

How do you know something is a force?

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Energy is the ability or capacity to do work.

• True

• False

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Which of the following energy transformations occurs in a hydroelectric power plant?

• Mechanical energy to electrical energy

• Thermal energy to electrical energy

• Chemical energy to electrical energy

• Electrical energy to mechanical energy

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Kinetic energy is the energy possessed by an object due to its __________.

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Which of the following energy sources is considered a renewable resource?

• Coal

• Natural gas

• Solar power

• Nuclear power