FORCE, FRICTION,GRAVITY | SPEED AND VELOCITY | CONDUCTION, CONVECTION, RADIATION |
---|---|---|
Friction
What cause a ball to slow down and stop?
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velocity has direction
What is the difference between speed and velocity?
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Conduction
When we iron our clothes
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Electrostatic
What causes bits of paper to come close to the hair after it is rubbed?
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30km/h
A car travels at 180 km in 6 hours. What is the average speed?
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Radiation
How the heat from the sun reaches earth?
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Gravity
A ball is thrown upward,its speed decreases until it stops and moves downward. What force is acting on the ball?
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Forward
When a driver of a fast-running jeep suddenly steps on the brake, all the passengers will move__________.
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Conduction
Transfer of energy through a substance by direct contact
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Friction
What force keeps our feet from sliding when we are running or walking?
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s=d/t
The formula for speed is________________
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Radiation
Transfer of energy that doesn't require a medium or transmission
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Buoyancy
The upward force that pushes the objects in water
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reference point
What is needed in giving the correct position of an object?
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Convection
Heat transfer causing land and se breezes
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