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WorksheetsHomework 6
Total questions: 23
Worksheet time: 18mins
Name
Class
Date
1.
units of force are
a)
netwons
b)
grams
c)
joules
d)
meters
2.
units for work are
a)
netwons
b)
joules
c)
meters
d)
seconds
3.
both work and energy are measured in
a)
joules
b)
newtons
c)
meters
d)
seconds
4.
Which of the following is the best example of work being done.
a)
studying for a test
b)
lifting a box
c)
carrying groceries into your house
d)
holding a box
5.
Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
6.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
7.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
8.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
9.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
10.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
11.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall
d)
d. a piece of coal before it's burned
12.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and speed
d)
time and work
13.
At which point is kinetic energy greatest?
a)
W
b)
X
c)
Y
d)
Z
14.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
15.
The factor that has the greatest effect on kinetic energy is
a)
mass
b)
weight
c)
velocity
d)
time
16.
As a falling apple approaches the ground, its potential energy
a)
increases
b)
decreases
c)
stays the same
17.
As a falling apple approaches the ground, its kinetic energy
a)
increases
b)
decreases
c)
stays the same
18.
Which ball has the greatest kinetic energy?
a)
A
b)
B
c)
C
d)
D
e)
E
19.
You push against the back of your friends car that is stuck. You push and become very tired. Did you do work?
a)
Yes, work was done
b)
No, work wasn't done
20.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
21.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
22.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
23.
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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