WorksheetsSuper Quiz
Total questions: 25
Worksheet time: 9mins
Name
Class
Date
1.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
direction
direction
2.
If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?
a)
20m
b)
40m
c)
0m
d)
-20m
3.
What is the x component of the vector given in the diagram?
a)
77N
b)
92N
c)
120N
d)
60N
4.
Determine the direction and magnitude of the vector 〈7,18〉
a)
Direction 21.3°
Magnitude 19.3
Magnitude 19.3
b)
Direction 68.7°
Magnitude 19.3
Magnitude 19.3
c)
Direction 21.3°
Magnitude 373
Magnitude 373
d)
Direction 68.7°
Magnitude 373
Magnitude 373
5.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
6.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
7.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
8.
Determine the momentum of 1000-kg car moving southward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
9.
A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?
a)
5 m/s
b)
2.5 m/s
c)
10 m/s
d)
7.5 m/s
10.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
11.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
12.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N*s
b)
6 N*s
c)
33.3 N*s
d)
None of these
13.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s.
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
14.
Which object has more momentum?
a)
Baseball in the pitchers hand
b)
baseball, lost, in a messy room
c)
baseball in flight
d)
baseball in a catchers mitt
15.
GRAVITATIONAL POTENTIAL ENERGY DEPENDS ON
a)
MASS AND VELOCITY
b)
MASS AND WEIGHT
c)
WEIGHT AND HEIGHT
d)
HEIGHT AND DISTANCE
16.
WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF POTENTIAL ENERGY?
a)
A BALL TRAVELING AT 10 M/S
b)
A COMPRESSED SPRING
c)
WATER BEING STORED AT A WATER DAM
d)
A STRETCHED RUBBER BAND
17.
YOUR BODY OBTAINS ENERGY FROM THE FOOD YOU EAT. WHAT IS THE FORM OF ENERGY IN FOOD?
a)
KINETIC
b)
ELASTIC
c)
GRAVITATIONAL
d)
CHEMICAL
18.
WHEN AN ARCHER BENDS A BOW, WHAT TYPE OF ENERGY INCREASES IN THE BOW?
a)
GRAVITATIONAL
b)
ELASTIC
c)
KINETIC
d)
THERMAL
19.
WHICH ENERGY TRANSFORMATION OCCURS WHEN A TELEVISION SPEAKER PRODUCES MUSIC?
a)
ELECTRICAL TO SOUND
b)
ELASTIC TO SOUND
c)
THERMAL TO SOUND
d)
SOUND TO ELECTRICAL
20.
WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?
a)
NO MACHINE IS 100% EFFICIENT
b)
ENERGY IS NEITHER CREATED OR DESTROYED
c)
THE ENERGY RESOURCES OF EARTH ARE LIMITED
d)
THE ENERGY OF A SYSTEM IS ALWAYS DECREASING
21.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
22.
Which point has the most potential energy?
a)
D
b)
F
c)
B
d)
A
23.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
24.
Which point has the greatest kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
25.
What is happening to the energy of the girl from point A to point B
a)
kinetic changes to potential
b)
potential changes to kinetic
c)
energy is lost
d)
energy is gained
100 %
