WorksheetsForce, Motion, and Energy Review
Total questions: 37
Worksheet time: 37mins
Name
Class
Date
1.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
2.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
3.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
4.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases
c)
The kinetic energy decreases while the potential energy increases
d)
Bothe the potential energy and kinetic energy increase
5.
When the net force is zero, the forces on an object are balanced. True or false.
a)
true
b)
false
6.
What must occur to a shopping cart at rest in order to make it roll forward?
a)
A force must be provided to overcome gravity.
b)
Balanced forces must be acting on the cart.
c)
An unbalanced force smaller than friction must act upon it.
d)
An unbalanced force larger than fiction must act upon it.
7.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
8.
What motion will result from two forces acting on an object: one force of 50 Newtons to the east, the other a force of 30 newtons to the west? The object will -
a)
move east.
b)
move west.
c)
move north.
d)
move south
9.
Which of the following best describes the forces being applied in this situation?
a)
The forces are balanced, and the net force is zero.
b)
The forces are unbalanced, and the force of Horse 1 is greater.
c)
The forces are unbalanced, and the force of Horse 2 is greater.
d)
The forces are balanced, and the force of Horse 1 is greater.
10.
A box rests motionless on the ground. One student is pushing the box to the right with a force of 2 Newtons. The other student is pushing to the left with a force of 5 Newtons. In which direction will the box move?
a)
Right
b)
Left
c)
No movement
11.
In which situation will the pulley reduce the force needed to lift the load?
a)
A
b)
B
c)
C
d)
D
12.
Which of the following decreases when an object is moved using an inclined plane?
a)
The distance the object moves.
b)
The pull of gravity on the object.
c)
The force needed to move the object.
d)
The amount of space the object occupies.
13.
A fixed pulley does not reduce the force needed to lift an object. What, then, is the advantage of using a fixed pulley?
a)
A fixed pulley reduces the force.
b)
A fixed pulley changes the direction of the force.
c)
A fixed pulley does not have any advantages.
14.
A motorcycle traveled 250 km in five hours. What was its average speed?
a)
25 km/hr
b)
250 km/hr
c)
5 km/hr
d)
50 km/hr
15.
If an object travels 42 meters in 6 seconds, what is its average speed?
a)
6 m/s
b)
7 m/s
c)
48 m/s
d)
252 m/s
16.
A worm traveled 50 centimeters in 5 minutes. What is the average speed of the snail?
a)
10 cm/m
b)
25 cm/m
c)
250 cm/m
d)
1 cm/m
17.
A rocket traveled 90 meters in 45 seconds. How fast did it travel?
a)
2 km/s
b)
2 m/s
c)
5 m/s
d)
1 m/s
18.
How would you describe the motion in this graph?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
19.
How would you describe the motion this graph from point B to C?
a)
The object is speeding up.
b)
The object is returning to its starting location.
c)
The object is slowing down.
d)
The object is staying still.
20.
How would you describe the motion this graph from point E to F?
a)
The object is speeding up.
b)
The object is going at a constant speed.
c)
The object is slowing down.
d)
The object is staying still.
21.
How would you describe the motion in this graph?
a)
constant speed, at rest, constant speed, constant speed back to the reference point
b)
acceleration, constant speed, acceleration, deceleration
c)
constant speed, constant speed, acceleration, deceleration
d)
acceleration, at rest, constant speed, returning to the reference point
22.
Which items would have this energy transformation: electrical energy -> thermal energy and radiant energy?
a)
toaster
b)
candle burning
c)
windmill turning
d)
Iron for your clothes
23.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
24.
Which items would have this energy transformation: chemical energy -> thermal and radiant energy?
a)
tanning bed
b)
candle burning
c)
windmill turning
d)
solar calcultor
25.
Which items would have this energy transformation: chemical energy -> electrical --> radiant?
a)
turning on a flashlight
b)
nuclear power plant
c)
digesting an apple
d)
tanning bed
26.
Electrical energy is transferred to _____ energy in an oven.
a)
Thermal
b)
Radiant
c)
Electrical
d)
None
27.
A hairdryer converts...
a)
electrical to chemical and radiant
b)
electrical to thermal, mechanical, sound
c)
electrical to radiant
d)
chemical to thermal
28.
What method of thermal energy transfer involves warm air rising and cool air sinking?
a)
conduction
b)
convection
c)
radiation
29.
The baby chickens are kept warm from the heat lamps. What kind of thermal energy transfer is being demonstrated?
a)
conduction
b)
convection
c)
radiation
30.
Thermal energy moves from an area of ____temperature to an area of ___ temperature.
a)
warmer; cooler
b)
cooler; warmer
31.
Walking on the warm sand sand with your bare feet demonstrates what kind of thermal energy transfer?
a)
conduction
b)
convection
c)
radiation
32.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of thermal energy transfer is this?
a)
conduction
b)
convection
c)
radiation
33.
Ironing a shirt is an example of what kind of thermal energy transfer?
a)
Radiation
b)
conduction
c)
convection
34.
Near the ceiling of a room the air is warmer and near the floor the air is cooler. This is because of what kind of thermal energy transfer?
a)
conduction
b)
convection
c)
radiation
35.
You're holding hands with your best friend. Your friend's hands are REALLY warm and yours are really cold. After a few minutes, this has changed. How might you explain what happened?
a)
The thermal energy from your hand transferred to your friend's hand through conduction.
b)
The thermal energy from your friend's hand transferred to your hand through conduction.
c)
The thermal energy from your hand transferred to your friend's hand through convection.
d)
The thermal energy from your friend's hand transferred to your hand through convection.
36.
Heat flows in only one direction: It always moves __________________.
a)
From warm areas to cooler areas
b)
from cool areas to warmer areas
c)
in circles
d)
north
37.
Thermal energy will continue to transfer from warmer to cooler until the substances attain...
a)
thermal equilibrium
b)
forever
c)
one gets colder
d)
one gets warmer
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