Law Of Motion Flashcards

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1
Q

What is the 2nd law?

A

Force equals mass times acceleration

F=m•a

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2
Q

What is the 3rd law?

A

For every action there is an equal and opposite reaction

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3
Q

What is inertia?

A

The tendency of an object to resist changes in to velocity: whether in motion or not

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4
Q

What force do we not see?

A

Friction

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5
Q

What’re the 4 main types of friction?

A

Sliding type (ice skating)

Rolling friction (bowling)

Fluid friction (air or water resistance)

Static friction (ignition friction when moving an object)

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6
Q

What is the equation for the 2nd law?

A

F=m•a

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7
Q

What is the net force of an object equal to?

A

The product of its mass and acceleration or f=ma

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8
Q

What is the acceleration when mass is in kilograms

A

M/s^2 and the unit of force is in newtons

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9
Q

What does newtons 2nd law prove?

A

The different masses accelerate to the earth at the same rate, but with different forces

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10
Q

What do objects with different masses accelerate to the ground?

A

At the same rate

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11
Q

If two objects have different masses would the hit at the same time?

A

No

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12
Q

What is the 1st law of motion

A

An object at rest will stay at rest

An object in motion sill stay in motion unless acted upon by an unbalanced force

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