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15 questions
A push or pull that causes an object to move, stop, or change direction.
force
friction
gravity
weight
The ability to do work or cause change
motion
energy
force
power
The change in position relative to another object
work
force
motion
power
Force exerted on an object that causes it to moved
force
energy
work
power
The formula for work is
Work = force x distance
Work = power x distance
Work = force x time
Work = power x time
Work is measured in
Joules
Newtons
Watts
Watts Joules
The rate at which one form of energy is transformed into another.
energy
work
force
power
The formula for power is
Power = Force x time/work
Power = Force x distance/time
Power = Work x time
Power = Work x distance
Power is measure in
Joules
Watts
Newton-meters
Joules-meters
Four students are pushing on one side of a desk. Colin is pushing to the west, Zoey is pushing to the east, Will is pushing to the north, and Kylee is pushing to the south. If the desk moves to the north, which student does work on the desk?
Colin
Zoey
Will
Kylee
In which scenario is Charlotte doing work?
Charlotte carries her books to her next class.
Charlotte picks up her books from her desk.
As the sun went down, the house became dark and Kyle turned on the lights. Which statement is true about power?
The power of the light Kyle turned on is used to exert force.
The power of the light Kyle turned on is the amount of energy transferred per time.
The power of the light Kyle turned on can be calculated using force and distance.
How are energy and motion related?
Energy is needed for motion.
Motion is needed for energy.
Motion is energy transferred.
Which of the following is not a form of energy?
light
sound
air
electricity
How can you increase your power when mowing grass?
Spend more time mowing your grass.
Mow less of your yard per minute.
Mow your yard in less time.
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