Term
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Definition
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Term
| How did Newton discover gravity? |
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Definition
| While studying why planets move the way they do, he eveloped the idea of gravity. Knowing that planets orbit in eliptical paths, so Newton realized they must be acted upon by an unbalenced force, gravity |
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Term
| What is the Law of Universal Gravitation? |
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Definition
| Every object in the universe pulls on every other object |
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Term
| What does the strength of gravity depend on? |
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Definition
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Term
| What is the equation to determine the force of gravity? |
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Definition
M1M2
F = G -----------
d2 |
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Term
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Definition
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Term
| What is told to us by the value of G? |
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Definition
| Gravitational force is really weak |
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Term
| What is the equation for wieght? |
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Definition
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Term
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Definition
Acceleration of Gravity
9.8 m/s2
G ≠ g |
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Term
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Definition
| Any object that mmoves through air or space, acted on only by gravity ( possibly air friction) |
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Term
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Definition
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Term
| Describe the horizontal component of trajectory. |
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Definition
| If no friction is present, moves at constant velocity |
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Term
| Describe the vertical component of trajectory. |
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Definition
| Accelerates downward due to gravity |
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Term
| Which component of trajectory isnt affected by gravity? |
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Definition
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Term
| What happens at different launch angles? |
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Definition
| The altitude and ranges differ. |
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Term
| What happens when two launch angles add to 90°? |
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Definition
| The objects fall in the same place |
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Term
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Definition
When an object is falling under the influence of only gravity
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Term
| What is the equation for the velocity of an object in free fall? |
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Definition
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Term
What is the equation for the distance of an object that has free fallen?
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Definition
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Term
| Describe the trajectory of an projectile thrown up. |
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Definition
At top = o m/s
All other arrows have same velocity
[image] |
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