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Simple Machines: Lever

resistance force force of gravity
fulcrum pivot point
lever a bar that can turn on a fixed point
resistance or load the object being moved
force any push or pull on an object
a lever can be used to multiply the ___ or change the ___ of the force force, direct
the _____ on the machine may be due to the force of gravity, friction, and inertia resistance force
in a ___ class lever, the load is placed between the force and the fulcrum second
a ___ class lever the force applied between the fulcrum and the load third
using a __ class lever, the force changes directions first
how many classes of levers are there three
which of the following is an example of a second-class lever wheelbarrow
which of the following is an example of a first-class lever crowbar lifting lid off box
Created by: smileyk