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25 Cards in this Set
- Front
- Back
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acceleration |
any change in speed, direction, or both |
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unit for acceleration |
m/s2 |
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freefall |
acceleration due to gravity |
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objects fall at an acceleration of ____ |
Back (Definition) |
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do objects land at the same time? |
yes, without air resistance |
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acceleration in free fall is always _____? |
downward |
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1 s.....10 m/s 2 s.....20 m/s 3 s....._____? |
30 m/s |
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Newtons 1st Law |
Inertia |
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inertia |
every object stays in motion or at rest unless acted upon by an outside force |
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example of an outside force |
friction |
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friction |
tiny "bumps" touching / force that acts in an opposite direction |
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mass |
measure of inertia |
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how large something is |
mass |
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mass is NOT |
volume of weight |
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more mass = _____ inertia less mass = ______ inertia |
more less |
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unit for mass |
kilograms or grams |
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weight |
force of gravity |
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unit for weight |
Newton or pounds |
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1 kilograms = _____ |
10 Newtons |
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weight = ____ x ____ |
mass x acceleration |
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force = ______ x ______ |
mass x acceleration |
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acceleration = ____ / _____ |
force / mass |
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mass = ______ / _____ |
force / acceleration |
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Newtons 3rd Law |
every action has an equal and opposite reaction |
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distance = _____ / _____ |
velocity / time |
