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WorksheetsPhysical Science, Work Pre Assessment
Total questions: 30
Worksheet time: 16mins
Name
Class
Date
1.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
2.
Work done = Force x _________
a)
distance
b)
acceleration
c)
velocity
d)
speed
3.
A force exerted over a distance to move an object is defined as the ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
4.
The unit used to measure energy is
a)
Watt
b)
Newton
c)
Joule
d)
meter
5.
A person applies a force to a wall.
a)
Work is done because the person uses energy when applying the force
b)
Work is done because the wall heats up at the place where the force is applied
c)
No work is done
6.
A boy pushes on a parked car with a force of 200 N. The car does not move. How much work does the boy do on the car?
a)
200N
b)
200J
c)
0J
d)
0N
7.
A flat sloping surface that connects lower and higher elevations. It makes raising objects easier
a)
wedge
b)
screw
c)
lever
d)
inclined plane
8.
Two inclined planes placed back to back forms this simple machine
a)
pulley
b)
wedge
c)
lever
d)
wheel and axle
9.
A simple machine that consists a rigid bar that pivot about a fixed point
a)
lever
b)
pulley
c)
wheel and axle
d)
fulcrum
10.
A flagpole is an example of
a)
wedge
b)
pulley
c)
incline plane
d)
wheel and axle
11.
Stairs is an example of
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
12.
It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box ?
a)
200J
b)
20.0J
c)
2J
d)
200N
13.
Two factors that determine work are
a)
amount of the force, and effort used
b)
amount of the force, and type of force
c)
mass, and distance
d)
amount of force and distance moved
14.
What is the scientific definition of work?
a)
Thinking hard about something
b)
Using force to move an object
c)
Singing work, work, work
d)
Sitting in Ms. Anderson's class
15.
Units of force are
a)
Newtons
b)
grams
c)
joules
d)
meters
16.
What is the formula for work?
a)
output work/input work X 100%
b)
work/time
c)
input force/output force
d)
force X distance
17.
Force is a _____ or _______
a)
simple complex
b)
push pull
c)
down up
d)
in out
18.
you lift your book bag from the floor to your desk
a)
Work
b)
Not work
19.
you carry your book bag around all day
a)
Work
b)
Not Work
20.
you lift grocery bags out of the trunk
a)
Work
b)
Not Work
21.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
22.
Lightbulb
a)
wedge
b)
pulley
c)
incline plane
d)
screw
23.
Any device that makes work easier is called a ______________________.
a)
Joule
b)
prop
c)
lever
d)
machine
24.
A ______ is a grooved wheel with a rope running along the groove.
a)
lever
b)
pulley
c)
screw
25.
What type of simple machine is shown?
a)
Lever
b)
Wheel and Axle
c)
Pulley
d)
Inclined Plane
26.
Name this simple machine.
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
27.
Device that makes work easier by changing the size or direction of the force (or both) is called a
a)
simple machine
b)
spring scale
c)
newton
d)
pulley
28.
work = force x distance
a)
TRUE
b)
FALSE
29.
work = force x direction
a)
TRUE
b)
FALSE
30.
True or false
You do work only when you exert a force on an object and move it
You do work only when you exert a force on an object and move it
a)
true
b)
false
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