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WorksheetsWORK and LEVERS
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
What is the definition of work?
a)
doing homework
b)
the use of force to move an object over a distance
c)
sweeping the floor
2.
This is an example of work:
a)
lifting a box
b)
pushing on a door that isn't moving
c)
riding a lawn mower
3.
A ____________ is a machine with no or few moving parts.
a)
complex machine
b)
fast machine
c)
simple machine
4.
A ___________ is a bar that pivots on a fixed point.
a)
wheel and axle
b)
pulley
c)
lever
d)
wheel
5.
What is the fulcrum on a lever?
a)
the point that doesn't move
b)
the bar
c)
the part that is moving
6.
Here is an example of a lever:
a)
riding lawn mower
b)
wheel on a car
c)
scissors
d)
dishwasher
7.
Which of these below are levers?
a)
pry bar, scissors, mop
b)
toy car, spring scale
c)
kleenex, box, eraser
8.
Is a baseball bat a lever?
a)
yes
b)
no
9.
How would a screwdriver be used as a lever?
a)
to screw in a screw on a board
b)
to lift the lid off a can of paint
c)
to hit a nail
10.
Is a broom a lever?
a)
yes
b)
no
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