Gravity and Friction Vocab Flashcards

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1
Q

an instrument used to compare two masses

A

balance

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2
Q

something that can cause a change in motion; a push or a pull

A

force

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3
Q

the force of attraction between objects in the universe due to their masses

A

gravity

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4
Q

the amount of matter in an object

A

mass

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5
Q

the metric unit of force and weight

A

newton

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6
Q

an instrument used to measure a force

A

a spring scale

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7
Q

the downward force of gravity on an object

A

weight

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8
Q

a contact force that resists motion between two objects

A

friction

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9
Q

a force of attraction between objects due to their mass

A

gravity

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10
Q

frictional force air exerts against a moving object

A

air resistance

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