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10 terms

FORCES 2

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Force
It is a push or a pull, exerted by an object on another.
Newton
It is the unit of force in the SI.
Newton's frist law of motion
If no external force is acting on it, an object will:
-if stationary, remain starionary
-if moving, keep moving ay a steady speed in straight line
Newton's second law of motion
Resultant force equals mass plus acceleration.
Newton's third law of motion
To every action there is an equal but opposite reaction.
Mass
It is the amount of matter an object contains
Gravity
It is the force that attracts objects towards each other.
Weight
It is the gravitational force between an object and the Earth
Resultant force
It is the overall force acting on an object
Frictional force
It acts in the opposite direction to the movement