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How do simple machines make work easier?
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
If you push on a heavy item but it does not move, how much work has been done?
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
Do gears that are touching move in the same direction or in opposite directions?
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
When a wedge is pushed down between objects, the objects...
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
If you sprinkle a lubricant on an inclined plane, will moving the load take more force or less force?
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
Do gears that are the same size turn at the same rate?
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
The only simple machine that does not move is the.....
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
What three things are needed for work to be done?
no work
inclined plane
by reducing the amount of force needed to move a load
opposite directions
object, force, motion
yes
move apart
less force
Check it!