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Forces

By: Katelyn

Cornejo

Force

Definition- A force is a push or pull; they may or may not cause motion

Balanced Forces

Definition- Two forces that are equal in size and acting in opposite in directions on an object; the object stays still or moves in a constant speed & same direction

Real Life Example: A car stopping for gas, because its at rest.

Unbalanced Forces

Definition- Two forces that are unequal in size and opposite in direction; object changes in motion, position, direction, or speed

Real Life Example: When playing Tug of War there is almost always one side that is pulling with a greater force.

Net Force

FORCE & MOTION

Definition- The overall forces acting on an object; measured in newtons

Real Life Examples: Two people are pushing a broke down car. One person is pushing the car with a force of 200N east and the other person is pushing with a force of 150N west.

Motion can only happen if it has forces to cause it, whether its a push or a pull. For example, the only way a soccer ball at rest can move is if a person kicks the ball and causes it to move. Or like bowling pins that are at rest until someone rolls a bowling ball causing it to push the pins and makes it fall. Forces can not only change the movement of an object but also the shape or position of it. But remember, forces won't always cause motion!

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