Simple Machines
flat slanted surface that reduces the amount of effort needed to move an object against gravity to a higher postion.
incline plane
effort
FORCE APPLIED to cause a simple machine to work
the AXLE in a "wheel and axle" turns with (Greater/Lesser) force than the wheel does when the axle moves (Less/More) distance.
Greater......Less
a Wheelbarrow
lever
work is done when a ______moves an object
force
simple machine made of a wheel with a groove that holds a rope
pulley
Energy
ability to do work
When the wheel of a "wheel and axle" turns one time, the wheel travels (Greater or Lesser) distance than the axle does
greater
an axe
wedge
a dog riding a skateboard is the ________
load
a simple machine that is made up of one or more inclined planes and is used to force materials apart
wedge
Load
weight of an object being moved by a simple machine
more distance=less effort
flagpole
pulley
pushing a wheelbarrow full of pumpkins is the _____
effort
a simple machine that is wheel with a rod running through it.
wheel and axel
motion
change in position
More weight requires (greater/lesser) force to move the object
greater weight=greater force
scooter
wheel and axle
when using a lever, the more distance there is between the effort and the _____, the less effort is required
fulcrum
a bar that turns on a point (aka fulcrum)
lever
simple machine
help ppl make work easier
A ball coming off a bat and rolling through the grass is encountering what 2 forces?
gravity and friction
a handicap ramp outside a store
inclined plane
when using a pulley to lift a box the direction of the effort is_______, and the direction of the load is_____
effort is down, load is up