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WorksheetsPractice for the final
Total questions: 44
Worksheet time: 1hrs 28mins
Name
Class
Date
1.
A change in position is called
a)
speed
b)
motion
c)
acceleration
d)
force
2.
Speed, distance and time are calculated using ______.
a)
d = t/s
b)
s = d*t
c)
s = d/t
d)
t = s/d
3.
Gravity is acceleration.
a)
True
b)
False
4.
Acceleration is defined as the rate of change of speed, or it is the "speed" of speed.
a)
True
b)
False
5.
Energy must involve some kind of motion.
a)
True
b)
False
6.
Increasing height decreases gravitational potential energy.
a)
True
b)
False
7.
For work to be done on an object, the object must move.
a)
True
b)
False
8.
How can the efficiency of a machine be increased?
a)
reduce friction
b)
add oil
c)
add lubricant
d)
all of these
9.
A fuse has material that bends to prevent a circuit from overheating.
a)
True
b)
False
10.
An insulator does not allow electrons to flow easily through it.
a)
True
b)
False
11.
If John runs around the block twice, his distance is ___________ his displacement.
a)
greater than
b)
equal to
c)
less than
d)
can't determine
12.
A person riding a ferris-wheel is moving at a constant speed but at a changing _________.
a)
inertia
b)
velocity
c)
unbalanced force
d)
balanced force
13.
Tom rides his skate board down a hill and then up the next hill. His acceleration is
a)
all positive
b)
all negative
c)
first positive, then negative
d)
first negative, then positive
14.
An object changing its speed from 20 mph to 8 mph is undergoing ______________ acceleration.
a)
positive
b)
negative
c)
constant
d)
zero
15.
At the same speed a bicycle is easier to stop than a motorcycle because the bicycle has less ________.
a)
force
b)
speed
c)
mass
d)
displacement
16.
How is it possible for two cars to be driving on the same road at the same speed, but at different velocities?
a)
one has been driving longer than the other
b)
one has a smaller mass than the other
c)
they are going in different direction
d)
one started farther away
17.
If two forces act on an object giving a net force of zero, the two forces must be
a)
equal and in the same direction
b)
different and in the same direction
c)
equal and in opposite direction
d)
different and in opposite direction
18.
What do seat belts do?
a)
anti-gravity device
b)
anti-inertia device
c)
anti-mass device
d)
anti-acceleration device
19.
A rate of position change is
a)
acceleration
b)
speed
c)
velocity
d)
none of these
20.
The force due to gravity is also called
a)
Mass
b)
Weight
c)
Distance
d)
Acceleration
21.
F = ma is
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
The law of conservation of mass
22.
F1 = F2 models action-reaction forces according to
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
The law of conservation of momentum
23.
Two balls are moving at the same speed. A ___________ will have more momentum than a ___________ because it has a lot more mass.
a)
a volley ball & a soccer ball
b)
a bowling ball & a beach ball
c)
a golf ball and a superball
d)
a football and a rugby ball
24.
Air resistance causes a book and a piece of paper that are the same size to fall at different speeds.
a)
True
b)
False
25.
The force that acts in the opposite direction of motion when two surfaces come in contact.
a)
Force
b)
Friction
c)
Static
d)
Kinetic
26.
To calculate the momentum of a 5 kg object moving 15 m/s you use
a)
W = F * d
b)
P = I*V
c)
f = m*a
d)
p = m*v
27.
Newton's third law says _______________ keep a person from falling through the chair they sit on.
a)
action-reaction forces
b)
gravitational forces
c)
frictional forces
d)
centripetal forces
28.
In projectile motion, where would a horizontally thrown ball go if thrown in space.
a)
It wouldn't go anywhere.
b)
It would fall toward a nearby object.
c)
It would keep going horizontally.
29.
Where does the ball have least potential energy?
a)
1
b)
2
c)
3
d)
4
30.
Where does the ball have least kinetic energy?
a)
1
b)
2
c)
3
d)
4
31.
Stored energy and the energy of motion together are
a)
potential
b)
kinetic
c)
mechanical
d)
chemical
32.
The faster something moves the more ________ energy it has.
a)
potential
b)
kinetic
c)
mechanical
d)
elastic
33.
In the entire universe the amount of energy must ______________.
a)
be destroyed over time
b)
remain constant
c)
increase
d)
convert to mass
34.
Joe has more potential energy on the
a)
sidewalk
b)
top of his house
c)
top of the Eiffel Tower
35.
A knife used to cut a carrot is an example of what type of simple machine?
a)
lever
b)
wheel and axel
c)
wedge
d)
pulley
36.
In order for work to be done:
a)
there must be a force on an object
b)
an object must move
c)
movement must be in the direction of the applied force
d)
all of these
37.
Which circuit is one that is either all on or all off?
a)
A
b)
B
38.
Which circuit is one that is used most in houses or cars?
a)
A
b)
B
39.
Circuit A is a _________ circuit.
a)
parallel
b)
fuse
c)
series
d)
short
40.
Circuit B is a _________ circuit.
a)
parallel
b)
fuse
c)
series
d)
short
41.
Ω is the unit of
a)
Current
b)
Resistance
c)
Voltage difference
d)
Power
42.
___________ Law says current, voltage, and resistance are related to each other.
a)
Tesla's
b)
Faraday's
c)
Ohm's
d)
Edison's
43.
A material that lets electrons move easily through it is a _________.
a)
insulator
b)
circuit breaker
c)
conductor
d)
fuse
44.
A discharge of static electricity from a cloud is called
a)
thunder
b)
dangerous
c)
current
d)
lightning
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