physics
- Created by: JESSMORRISON123
- Created on: 14-05-18 15:53
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- physics
- displacement
- Distance in a given direction.
- What is the difference between a vector and a scalar quantity?
- vectors have direction as well as a magnitude.
- what is newtons third law of motion?
- When two objects interact they exert equal and opposite forces onto each other.
- what is newtons first law of motion?
- If the forces acting on an object are balanced, then the resultant force should equal zero.
- what is meant by resultant force?
- The sum of all the forces acting on an object.
- what is meant by the centre of mass?
- The point on an object where its mass is the most concentrated.
- why do we use a parallelogram of forces?
- To find the resultant of two forces which don't act along the same line.
- how to calculate distance travelled?
- The speed multiplied by the time.
- To find the speed of the object at any given time.
- To find the speed of the object at any given time.
- state the equation for acceleration
- Change in velocity/time taken.
- what is velocity?
- Speed in a given direction.
- what is deceleration?
- The change in velocity per second as an object slows down.
- displacement
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