Newtons laws 2 and 3, also opposing forces

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Air Resistance

The upward force on an object falling through the air.

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Newton's Second Law

Explains the relationship between mass, force, and acceleration

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Air Resistance

Why a feather falls slower than brick.

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9.8 m/s^2

The acceleration of gravity on earth.

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fall at the same rate

In the absence of air, a penny and a feather that are dropped from the same height at the same time will:

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F = M x A

What is the equation that explains Newton's Second Law

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Centripital Force

When an object moves in a circular path, what accelerates the object toward the center of the circle.

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Curved

The path of a projectile is always: (what shape)

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Acceleration

For any object, the greater the force applied to it the greater its ________ will be.

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Mass and Distance

The size of the gravitational force between two objects depends on their:

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decrease

As you get farther from the Earth your weight will:

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action-reaction

When a force is exherted on a box, an equal and opposite force is exherted by the box. These forces are called _________ forces.

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greater mass

Why does a real car have more momentum than a toy car moving at the same speed?

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Momentum

What does the P stand for in the following equation? P = M x V

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Newton's Third Law

the statement, "to every action there is an equal and opposite reaction" summarizes:

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kg/ms (Joule)

The unit for measuring Momentum is a:

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The Law of Conservation of Momentum

When two balls collide, the momentum after the collision can be explained by using:

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12 m/s^2

The acceleration caused by a 300N force acting on a 25kg object

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15 m/s^2

The acceleration caused by a 3,000N force acting on a 200kg object

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Free Fall

An object that seems weightless on or near Earth is actually in:

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Horizontally (in a straight line)

If gravity did not affect the path of a horizontally thrown ball, the ball would move:

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Gravity

It's what makes mass and weight different.

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50 kgm/s (joules)

The momentum of a 2kg mass at 25m/s

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48 Newtons

What force is needed to accelrate 12kg 4m/s^2

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friction

Weight and type of surfaces affect:

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534.5 N

If a person is 120 lbs what is their wight in N?