a lever with the fulcrum between the effort and the load
E-F-L
first-class lever
100
a door, a car jack, tweezers, and a bottle opener are all examples of ______________
inclined planes
wheel and axles
screws
levers
wedges
pulleys
levers
200
a straight, slanted surface used to raise an object
inclined plane
200
the measure of how fast or slow something moves
speed
200
a metric unit used to measure force
newton
200
a lever with the effort between the fulcrum and the load
F-E-L
third-class lever
200
a slide, stairs, and a wheelchair ramp are all examples of ____________________
inclined planes
wheel and axles
screws
levers
wedges
pulleys
inclined planes
300
the force a simple machine moves when effort is applied
load
300
the change in an object's velocity
acceleration
300
the ability to do work
energy
300
a lever with the load between the fulcrum and the effort
F-L-E
second-class lever
300
a doorstop, nail clippers and an axe are all examples of ___________________
inclined planes
wheel and axles
screws
levers
wedges
pulleys
wedges
400
the force that is applied to a simple machine
effort
400
a metric unit used to measure work, equal to one newton
joule
400
a device or tool to make work easier
simple machine
400
A nutcracker is an example of what class lever?
second-class lever
400
a water faucet, kitchen timer and door handle are all examples of ________________
inclined planes
wheel and axles
screws
levers
wedges
pulleys
wheel and axles
500
the point where a lever rotates or pivots
fulcrum
500
the point where a lever rotates or pivots
fulcrum
500
force that is applied to a simple machine
effort
500
Tweezers are two __________-class levers working together using the same fulcrum.
third
500
a plastic soda bottle cap, an adjustable wrench and a jar cover are all examples of ________________
inclined planes
wheel and axles
screws
levers
wedges
pulleys