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Levers Investigation 1-2 Quiz Review
Test Description: FOSS kit Levers and Pulleys quiz review
Instructions: Answer all questions to get your test result.
1) A stick or beam free to pivot at a point
A
twig
B
load
C
effort
D
lever arm
2) The point where the lever arm pivots
A
load
B
spring scale
C
effort
D
fulcrum
3) The mass lifted or the resistance overcome by a lever
A
effort
B
fulcrum
C
load
D
lever arm
4) The force needed to move a load or overcome a resistance
A
lever arm
B
fulcrum
C
load
D
effort
5) A metric unit to measure force
A
pounds
B
ml
C
Newton
D
ounces
6) The ability to do work
A
energy
B
load
C
fulcrum
D
lever
7) A pair of scissors (with the fulcrum in the middle) is an example of a
A
Class Three Lever
B
Class Two Lever
C
Class One Lever
D
Not a lever
8) A nut cracker (with the load being in the middle) is an example of a
A
Not a lever
B
Class Two Lever
C
Class Three Lever
D
Class One lever
9) A pair of twizzers (with the effort in the middle) is an example of a
A
Not a lever
B
Class One Lever
C
Class Two Lever
D
Class Three Lever
10) True or False: The further away from the load the effort is, the easier it is to lift the load.
A
False
B
True
11) True or False: The closer the load is to the fulcrum, the easier it is to lift.
A
False
B
True
12) There are ____ classes of Levers.
A
2
B
4
C
3
D
1
13) A _____________ is used to measure force.
A
meter stick
B
triple beam balance
C
spring scale
D
pulley
14) A benefit obtained by using a lever or other simple machine is called the
A
luck
B
the effort
C
the load
D
advantage
15) Spring scales measure in Newtons and they are in increments using
A
thousandths
B
hundredths
C
tenths
*select an answer for all questions
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