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Force and Motion

Revision for the topic of force and motion for JC students.

QuestionAnswer
What is the definition of a force? A force can cause an object to change its velocity.
How is a force measured? With a spring balance.
What's the unit of a Force? Newton.
What is the moment of a force? The force multiplied by the perpendicular distance from the point of the force to the point where the object will turn.
What force allows us to walk on earth? Gravity
What is the weight force equal to? Mass x Gravity
What is the net force of an object equal to? Mass of the object x Acceleration of the object.
What is the name of the force that slows things down? Friction
Created by: davidn2