Law and Motion Flashcards

1
Q

Speed

A

acceleration or a high rate of motion.

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2
Q

Average Speed

A

The average speed of an object is the total distance traveled by the object divided by the elapsed time to cover that distance.

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3
Q

Inertia

A

The resistance to change

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4
Q

Force

A

A physical energy that can be seen or felt.

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5
Q

Distance

A

The amount of space between two objects.

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6
Q

Acceleration

A

The act of increasing speed

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7
Q

Instantaneous

A

Happening all the time right then

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8
Q

Gravity

A

Natural force that pulls things to the earth

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9
Q

Reaction

A

The response to an action

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10
Q

Deceleration

A

Something that is in movement slowing down

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11
Q

Friction

A

The rubbing between the surface of two objects

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12
Q

Rest

A

When an object is not in motion but is resting

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13
Q

Mass

A

Anything that has shape and weight

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14
Q

Newton’s 1st law of motion

A

a body remains at rest or in motion with a constant velocity unless acted upon by an external force

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15
Q

Newton’s 2st law of motion

A

the rate of change of momentum is proportional to the imposed force and goes in the direction of the force

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16
Q

Newton’s 3rd law of motion

A

action and reaction are equal and opposite