Gravity:
Is the thing that pulls us into the centre of the Earth and prevents us from floating off into space.
In this photo we can see Vince Carter dunking and coming back down.
Friction:
Is the force that stops you from slipping over when you run.Another example is when you kick a football and it stops,that is because the grasses friction stops it.
Potential energy
Is the energy stored in a motionless object that can be released when a force acts upon it.
Force
This is something that makes motionless objects move.
Pull
Is a force that acts when you are trying to move something heavy and have to bring it to you.
Push
Is when you use your weight to move something forward.
Unbalanced forces
Are forces that cause a change in the motion of an object:for instance when you when you kick a football and it stops.That is an unbalanced force acting on it.
Kinetic energy
Is kind of force that opperates when you or an object is moving.
Air resisitance
This is is a force that helps to stop something from landing hard on the ground.
Balanced forces
Balanced forces are two forces going in two diifferent ways but is equal.
Acceleration
Is when you put enough force into it will begin to speed up.
Motion
This is a force that helps us keep moving.
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