PUSH OR PULL = FORCE

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PUSH OR PULL FORCE
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PUSH OR PULL FORCE
UNBALANCED FORCES
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Things eventually slow down or stop moving.
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FRICTION OPPOSES MOTION
Objects stops when all forces are balanced
GOLF BALL NOT MOVING
CAR AT REST
Friction pair grass surface and ball
Friction
Friction pair tires and road surface
MOVING SKATES
Friction
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FRICTION
SURFACE WITH LESS FRICTION ?
CARPET SIDEWALK DIRT SURFACE
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BALANCED FORCES
UNBALANCED FORCES
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FORCE OF GRAVITYGROUND FORCE
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FALLING OBJECTS

• STOP MOVING WHEN

AIR
BALANCED FORCES
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Gravity continues pushing
Ground also pushes
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Unbalanced forces
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