(Forces)
I pull things to Earth
Gravity
This simple machine has a fulcrum
lever
has a rod attached to a wheel
wheel and axel
Wheel and axel
Move or turn heavy things
THIS IS TWO OR MORE SIMPLE MACHINES
COMPOUND MACHINE
This is helpful about friction
Slows you down or creates heat
Higher on one side and lower on the other
Inclined plane
We would float away if
we didn't have gravity
Lever
PUSH, PULL, OR MOVE THINGS
CROCS RUBBING ON FEET
FRICTION
ANY PUSH OR PULL THAT CAUSES AN OBJECT TO MOVE
FORCE
used to lift or pull heavy things
pulley
TOOL WITH FEW OR NO MOVING PARTS, HELPS MAKE WORK EASIER
SIMPLE MACHINE
SIMPLE MACHINE
SHOE FALLING DOWN
GRAVITY
ALL THE FORCES ACTING ON AN OBJECT
NET FORCE
holds objects together
screw
INCLINED PLANE AROUND A ROD
SCREW
NAME A MACHINE ON A LIGHT SWITCH
LEVER
Name two things force can cause objects to do
change speed
change direction
stop
move
WHEN A FORCE MOVE AN OBJECT OVER A DISTANCE
WORK
helps cut or split objects
wedge
NAME A MACHINE ON A KNIFE
WEDGE
NAME A MACHINE ON A BICYCLE
WHEEL AND AXEL
FORCE THAT OPPOSES THE MOTION OF AN OBJECT
FRICTION