Levers Investigation 1-2 Quiz Review Question Preview (ID: 37381)


FOSS Kit Levers And Pulleys Quiz Review. TEACHERS: click here for quick copy question ID numbers.

A stick or beam free to pivot at a point
a) lever arm
b) effort
c) load
d) twig

The point where the lever arm pivots
a) load
b) effort
c) fulcrum
d) spring scale

The mass lifted or the resistance overcome by a lever
a) load
b) effort
c) fulcrum
d) lever arm

The force needed to move a load or overcome a resistance
a) load
b) effort
c) fulcrum
d) lever arm

A metric unit to measure force
a) ml
b) Newton
c) pounds
d) ounces

The ability to do work
a) load
b) fulcrum
c) lever
d) energy

A pair of scissors (with the fulcrum in the middle) is an example of a
a) Class One Lever
b) Class Two Lever
c) Class Three Lever
d) Not a lever

A nut cracker (with the load being in the middle) is an example of a
a) Class One lever
b) Class Two Lever
c) Class Three Lever
d) Not a lever

A pair of twizzers (with the effort in the middle) is an example of a
a) Class One Lever
b) Class Two Lever
c) Class Three Lever
d) Not a lever

True or False: The further away from the load the effort is, the easier it is to lift the load.
a) True
b) False
c)
d)

True or False: The closer the load is to the fulcrum, the easier it is to lift.
a) True
b) False
c)
d)

There are ____ classes of Levers.
a) 1
b) 2
c) 3
d) 4

A _____________ is used to measure force.
a) meter stick
b) spring scale
c) triple beam balance
d) pulley

A benefit obtained by using a lever or other simple machine is called the
a) the effort
b) the load
c) advantage
d) luck

Spring scales measure in Newtons and they are in increments using
a) hundredths
b) thousandths
c) tenths
d)

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