Laws of Gravity and more Flashcards

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1
Q

What law is: “To every action, there is an equal and opposite reaction”

A

Newton’s Third Law of Motion

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2
Q

What law is: “Force equals mass times acceleration (F=MxA)”

A

Newton’s Second Law of Motion

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3
Q

What law is: “An object at rest or at motion will remain still or at motion unless acted by a force”

A

Newton’s First Law of Motion

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4
Q

The highest Velocity reached by a falling object

A

Terminal Velocity

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5
Q

An object at rest on the surface of the Earth is experiencing zero…

A

Net Force

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6
Q

When an object moves in a circle, __________ acts to accelerate the object toward the center of that circle.

A

Centripetal Acceleration

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7
Q

When a car travels around a curve in the road, ___________ helps to keep the car traveling in a curved path

A

Centripetal Force

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8
Q

The force exerted by air on a moving object is called……

A

Air Resistance

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9
Q

A net force acting on an object causes the object to accelerate in the direction of the force; this is…..

A

An example of Newton’s Second Law of Motion

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10
Q

A property of a moving object resulting from its mass and velocity is…..

A

Momentum

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11
Q

According to the _________, when a bowling ball strikes the pins, the momentum lost by the bowling ball is equal to the momentum gained by the pins.

A

Conservation of Momentum

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12
Q

_________ is the force that every object in the universe exerts on every other object.

A

Gravity (or the Universal Law of Gravitation)

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13
Q

An object’s __________ is the measure of the force of gravity on that object.

A

Weight

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14
Q

The amount of gravitational force between two objects depends on their masses and the ________ between them.

A

Distance

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15
Q

Weight is measured in units called _______, while mass is measured in units called grams and kilograms.

A

Newtons

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16
Q

Two surfaces that are not moving past each other have ______________.

A

Static Friction

17
Q

_____________causes a box you are pushing across the floor to stop when you stop pushing.

A

Sliding Friction

18
Q

The force resisting the motion of a rolling body on a surface is known as……

A

Rolling Friction

19
Q

What is the force that must be overcome to initiate the motion of one body relative to another because they have been resting in contact?

A

Starting Friction

20
Q

What type of friction is this: the resistance created by any two objects when sliding against each other

A

Sliding Friction