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10 questions
A push or pull on an object.
motion
gravity
force
When more than one force acts on an object and the forces are the SAME.
gravity
balanced force
motion
When more than one force acts on an object and one of those forces is GREATER than the other.
unbalanced force
gravity
friction
when an object changes it's location
friction
motion
simple machine
A force that pulls things towards earth.
friction
gravity
motion
A force that occurs when 2 objects touch and slows down things that are moving.
friction
force
unbalanced force
All of the following are simple machines EXCEPT for
inclined plane
lever
wheel and axle
mailbox
This photo is an example of what simple machine?
inclined plane (ramp)
wheel and axle
pulley
screw
This photo is an example of what simple machine?
pulley
wheel and axle
lever
wedge
Because of the threads on the base of this lightbulb, and the twisting force that helps the bulb to rotate, this object is an example of which simple machine.
screw
lever
wedge
pulley
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