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Science Motion Unit
Science
Question | Answer |
---|---|
How do you calculate net force? | Same force direction: Add them together Opposite force direction: Subtract them |
What do the direction do the arrors in a free body diagram tell you? | What direction the force is going |
What is the formula for force? | F=ma |
How many arrows should a free body diagram have? | 4, One on each side |
When constructing a free body diagram what unit of measurement do you use? | Newtons (N) |
Contact force | A force exerted during contact between objects. |
Inertia | An object will not move unless acted on by an outside force. |
Newtons first law | An object at rest stays at rest;an object in motion will stay in motion (unless acted on by an outside force) |
Newtons second law | The acceleration of an object will depend on the mass of the object and force applied. |
Newtons third law | For every action their is an equal and opposite direction |
Net force | The combo of all forcces acting on an object |
A type of diagram that shows the net force | Free body diagram |