Section 1
The location of an object
position
the pull of gravity on an object
weight
a machine with few or no moving parts
simple machine
two inclined planes placed back to back
wedge
What is the force on a lever?
push or pull that moves the lever
A change in position
Motion
a force that occurs when one object rubs against another
friction
a straing bar that moves on a fixed point
lever
An incline plane wrapped into a spiral
screw
What is a fulcrum
How fast an object moves
speed
when a force changes the motion of an object
work
a wheel that turns on a post
wheel and axle
two or more simple machines put together
compound machine
What is a load?
The object being lifted or moved
a push or pull
force
the ability to do work
energy
a simple machine that uses a wheel and rope
pulley
Where is the inclined plane on a screw?
on the threads/spirals
If a slide is very smooth would there be more friction or less?
Less Friction
the pulling force between two objects
gravity
a tool that makes work easier to do
machine
a flat surface that is raised at one end
inclined plane
What is a lever made out of?
Fulcrum, Load, and Force
True/False: My weight is the same on the Moon and on Earth.
False