Physics of Motion Wrap-up

Static Friction is:

• The force applied to an object

• A force acting between moving surfaces

• Fights between you and your best friend

• The interlocking of two surfaces at rest, preventing movement

A bowling ball and a feather dropped in a vacuum:

• Fall at the same velocity

• Fall at different velocities because the bowling ball is heavier

• Fall at different velocities because of air resistance

• Float in midair because it's a vacuum

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Newton's 3rd law states that: "For every action, there's an ________ ___ ________ reaction."

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_______ is calculated by multiplying an object's mass by its velocity.

• Force

• Momentum

• Acceleration

• Mass

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If an object has more mass and more velocity, it'll have ______ momentum.

• More

• Less

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"An object at rest remains at rest, and an object in motion remains in motion." This describes -

• Force

• Inertia

• Momentum

• Kinetic Friction

For Newton's 2nd law, Force is equal to mass times __________ .

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The force when you hit, pull, smash, or crash into something -

• Friction Force

• Applied Force

• Normal Force

• Gravitational Force

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These 3 innovations reduce the severity of a car crash -

• Seat Belts

• Airbags

• Sun Roofs

• Crumple Zones

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Gravity is a measurement of -

• Momentum

• Velocity

• Force

• Acceleration

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