NEW
Font size
S
M
L
XL
WorksheetsNewtonian Review
Total questions: 54
Worksheet time: 1hrs 28mins
Name
Class
Date
1.
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
2.
Luke Skywalker has a mass of 13 kg and weight of 127.4 N on earth. Find his weight on the Endor moon. Acceleration due to gravity of 2 m/s/s.
a)
254.8 N
b)
13 kg
c)
26 N
d)
127.4 kg
3.
What happens to the force of gravity if the mass of one of the objects is doubled?
a)
The force of gravity doubles
b)
The force of gravity is tripled
c)
The force of gravity is halved
d)
The force of gravity increases 4 times
4.
The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.
a)
gravity
b)
friction
c)
a strong force
d)
electromagnetic force
5.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
6.
A ball is thrown into the air. At the highest point, the ball has zero velocity and zero acceleration.
a)
True
b)
False
7.
The graph represents
a)
no motion
b)
constant velocity
c)
acceleration
d)
negative acceleration
8.
The graph represents
a)
no motion
b)
constant velocity
c)
increasing velocity
d)
decreasing velocity
9.
The graph respresents
a)
no motion
b)
constant velocity
c)
increasing velocity
d)
decreasing velocity
10.
What does this graph represent?
a)
constant speed
b)
acceleration
c)
not moving
11.
Calculate the acceleration for segment A.
a)
2 m/s2
b)
2 m/s
c)
-2 m/s2
d)
0 m/s2
12.
During which interval does the object have the greatest displacement?
a)
A to B
b)
B to C
c)
C to D
d)
D to E
13.
What is the displacement from B to C?
a)
10 m
b)
20 m
c)
40 m
14.
During which interval is the object speeding up?
a)
A to B
b)
B to C
c)
D to E
d)
E to F
15.
During which interval is the object slowing down?
a)
A to B
b)
D to E
c)
E to F
d)
G to H
16.
A hummingbird averages a speed of about 45 km/hour (Cool facts: They visit up to 1000 flowers per day, and reach maximum speed, while diving, up to 160 km/hour!). Ruby-throated hummingbirds take a non-stop trip across Gulf of Mexico in which they fly for 18 hours straight! How far is the trip across the Gulf of Mexico at their average speed?
a)
810 km
b)
2.5 km
c)
3.6 km
d)
360 km
17.
An object is NOT accelerating if it is moving
a)
in a circle
b)
at constant velocity
c)
at increasing speed
d)
only as influenced by gravity
18.
A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is
a)
6 m/s/s opposite the motion
b)
2m/s/s in the direction of motion
c)
8 m/s/s opposite the motion
19.
An airplane accelerates down a runway at 3.20 m/s/s
for 8 s until it finally lifts off the ground.
Determine the velocity at take-off.
for 8 s until it finally lifts off the ground.
Determine the velocity at take-off.
a)
0.4 m/s
b)
25.6 m/s
c)
2.5 m/s
20.
A cheetah travels 75 m in 3 s. What is her velocity over the interval?
a)
225 m/s
b)
25 m/s
c)
0.04 m/s
21.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
22.
Find the net force: 15 N to the right, and another 15 newtons to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
23.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
24.
Is this and example of a balanced or unbalanced force?
a)
balanced
b)
KITTIES!
c)
unbalanced
d)
not enough information
25.
What is the standard unit force is measured in?
a)
N
b)
lbs
c)
g
d)
m/s
26.
A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion?
a)
1st law
b)
2nd law
c)
2 and 3 law
d)
3rd law
27.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
28.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
29.
This list below includes six different scenarios. Which objects in the list experience an unbalanced force?
a)
The ball, the cat, and the flag
b)
The marble, the book and the toy car
c)
The cat, the book, and the flag
d)
The marble, the ball, the cat, and the toy car
30.
The graph shows how the speed of an object changed over time. During which segments of this graph were the forces acting on the object balanced?
a)
R only
b)
Q and S
c)
R and T
d)
R, S and T
31.
The diagram below shows a toy car moving along a smooth, frictionless track. In which sections of the track will this toy car experience unbalanced forces?
a)
Sections 1 and 3
b)
Sections 1 and 2
c)
Sections 2 and 4
d)
Sections 3 and 4
32.
__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.
a)
velocity
b)
gravity
c)
net force
d)
distance
33.
A rope attaches a tire to an overhanging tree limb. A girl swinging on the tire has a centripetal acceleration of 3.0 m/s^2. If the length of the rope is 2.1 m, what is the girl’s tangential speed?
a)
3.5 m/s
b)
2.5 m/s
c)
8.5 m/s
d)
12.5 m/s
34.
A dog sits 1.5 m from the center of a merry-go-round. The merry-go-round is set in motion, and the dog’s tangential speed is 1.5 m/s. What is the magnitude of the dog’s centripetal acceleration?
a)
3.9 m/s^2
b)
2.8 m/s^2
c)
1.5 m/s^2
d)
11.5 m/s^2
35.
Which of the following terms means "center seeking"?
a)
centrifugal
b)
centrifuge
c)
centripetal
d)
centenarian
36.
A car traveling at 15 m/s on a flat surface turns in a circle with a radius of 25 m. What is the centripetal acceleration of the car?
a)
2.4 x 10-2 m/s2
b)
0.60 m/s2
c)
9.0 m/s2
d)
zero
37.
A horse gallops around a circular arena. The centripetal force on the horse is ___.
a)
directed outward
b)
tension
c)
directed toward the center of the arena
d)
9.8 N
38.
A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
14.4 kg
b)
1400 kg
c)
144 kg
d)
360 kg
39.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
40.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
41.
Which has more momentum: a car at a stop light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
42.
If a net force is acting on an object,
a)
its velocity must be constant
b)
its velocity must be changing
c)
its mass must be changing
d)
its acceleration = 0
43.
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.
44.
The definition of momentum is
a)
A measure of how difficult it is to stop an object
b)
The size of an object
c)
The velocity of an object
d)
A comparison between the speed of two objects
45.
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
46.
While a boulder is on the top of a hill it has what type of energy?
a)
Mechanical
b)
Kinetic
c)
Potential
d)
Reactive
47.
A girl pushes a box across the floor. Did she do work?
a)
no
b)
yes
48.
Rocket pushes his space scooter at a constant speed. The graph represents the relationship between the horizontal force exerted by Rocket and the distance the space scooter moves.
What is the total work done by Rocket pushing the space scooter 5.0 meters?
What is the total work done by Rocket pushing the space scooter 5.0 meters?
a)
5 J
b)
10 J
c)
20 J
d)
25 J
49.
You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, how much kinetic energy does it have?
a)
10 J
b)
100 J
c)
7 J
d)
20 J
50.
which point has the most kinetic energy
a)
D
b)
E
c)
C
d)
F
51.
If a cannonball flies at a speed of 15 m/s and has 675J of kinetic energy, what is its mass?
a)
90 Kg
b)
6 Kg
c)
350 Kg
d)
22.5 Kg
52.
What is the vertical acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
53.
What is the vertical velocity of a projectile at its highest point?
a)
0 m/s
b)
It depends on the angle
c)
90 m/s
d)
45 m/s
54.
Neglecting air resistance, what it the horizontal velocity (VX) at B?
a)
5 m/s
b)
0 m/s
c)
-10 m/s
d)
-30 m/s
Reset
