Gravity

Gravity: Is the force of attraction between all masses

Mass: Is the amount of matter in an object

Weight: Is caused by the pull of gravity

• weight = mass x gravitational force (10N/kg) = X newtons

Newtons Laws of Motion

1. Everything continues at a state of rest or constant velocity, unless acted upon by an external force.
2. The force of a body is directly proportional to its acceleration, and takes place in the direction of the force
   • Force=massxacceleration (F=ma)
   • The higher the mass, the more force it will take to accelerate, and vice versa
3. Everything that exerts a force, has an equal and opposite force acting on it.

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