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WorksheetsFinal Exams Review (1st Semester)
Total questions: 40
Worksheet time: 37mins
Name
Class
Date
1.
Which line shows acceleration
a)
a
b)
b
c)
ad
d)
abd
2.
What is the speed of a car that travels 35 meters in 12 seconds
a)
None
b)
3.1 m/s
c)
35 m/s
d)
2.9m/s
3.
What is the displacement of a person that walks 12 meters west, 13 meters East and then 10 meters East?
a)
11 m, West
b)
11 m
c)
11 m, East
d)
23 m, East
4.
The following in a scalar measurement.
a)
Velocity
b)
speed
c)
displacement
d)
acceleration
5.
In order to accelerate you must
a)
Change direction
b)
Slow down
c)
Speed up
d)
Change velocity
6.
Which car is accelerating?
a)
A car that is not moving
b)
A ar that rounds a curve at a constant speed
c)
A car traveling at a constant speed
d)
A car that has a set speed of 60mph
7.
Acceleration due to gravity is ...
a)
15m/s2
b)
9.8m/s2
c)
0
d)
Depends on the object
8.
Forces always act in equal and opposite pairs.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
9.
An object at rest or moving at a constant speed in a straight path will continue to do so until a net force acts upon it.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
10.
A(n) __________ is a push or pull.
a)
newton
b)
acceleration
c)
force
d)
momentum
11.
A(n) __________ is a push or pull.
a)
newton
b)
acceleration
c)
force
d)
momentum
12.
What is the unit of measurement for force?
a)
AMP
b)
Seconds
c)
Newtons
d)
Miles
13.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
14.
According to Newton's second law, if you increase the force applied to an object :
a)
it accelerates more
b)
it doesn't move
c)
you get more inertia
d)
it decelerates
15.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
16.
If two forces act on an object in the same direction, the net force is the _____________
a)
the difference between the two forces
b)
the sum of the two forces
c)
Only one of the forces acts on the object
d)
DOOMSDAY!
17.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
18.
The measure of the pull of gravity on an object is ___________________.
a)
motion
b)
weight
c)
speed
d)
friction
19.
Centripetal acceleration always points
a)
in the direction of the object's motion
b)
in the opposite direction of the object's motion
c)
towards the center of the circle
d)
towards the outside of the circle
20.
Period (T) is measured in cycles per second
a)
True
b)
False
21.
What is the force that causes centripetal acceleration when a car goes around a curve?
a)
Friction
b)
Gravity
c)
Normal
d)
Tension
22.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
False
c)
Inconceivable
d)
Star Wars!
23.
A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?
a)
A
b)
B
c)
C
d)
D
24.
As distance separating the objects increases the force
a)
increases
b)
decreases
c)
stays the same
25.
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?
a)
F/3
b)
F/2
c)
F/6
d)
F/9
26.
Which is larger, the Sun's pull on the Earth or Earth's pull on the Sun?
a)
THe Sun's pull on the Earth is larger.
b)
THe Earth's pull on the Sun is larger
c)
They pull on each other equally
d)
The Sun's pull on the Earth is twice as large as Earth's pull on the Sun.
27.
What is the magnitude of G for the exoplanet Kepler 37B?
a)
0.25 N m2/kg2
b)
6.67 X 10-11 N m2/kg2
c)
4 N m2/kg2
d)
20 N m2/kg2
28.
What are energy and work measured in?
a)
Joule
b)
Watt
c)
Birds
d)
Newton
29.
What is potential energy?
a)
Energy due to position.
b)
Energy due to shape.
c)
Energy because of mass.
d)
Energy due to shape & position
30.
Can energy be created or destroyed?
a)
Yes, it can be created.
b)
Yes, it can be destroyed.
c)
No, energy is always conserved
d)
None of these
31.
What is kinetic energy?
a)
the energy of position or shap
b)
ability to do work
c)
the energy of motion
d)
a dog
32.
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
33.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
34.
At which point is kinetic energy greatest
a)
W
b)
X
c)
Y
d)
Z
35.
What do we call a change from one form of energy to another?
a)
Energy form
b)
Energy transformation
c)
Kinetic energy
d)
Potential energy
36.
When a pendulum swings, at which point is kinetic energy highest:
a)
1
b)
2
c)
3
d)
4
37.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
38.
What is the unit used to measure Power?
a)
Joule
b)
Watt
c)
Newton
d)
Pascal
39.
A job is done slowly, and an identical job is done quickly. Both jobs require the same amount of ___, but different amounts of _____
a)
work, energy
b)
power, work
c)
work, power
d)
force, work
40.
LT6. What energy transformation occurs when your body turns the food you ate into energy that helps you to move and exercise?
a)
chemical to thermal
b)
chemical to mechanical
c)
mechanical to chemical
d)
mechanical to thermal
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