WorksheetsDynamics Review
Total questions: 49
Worksheet time: 3hrs 50mins
Name
Class
Date
1.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
2.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
3.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
4.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
5.
The tendency of a moving object to resist changes in its motion is...
a)
momentum
b)
force
c)
acceleration
d)
velocity
6.
Any push or pull on an object.
a)
force
b)
velocity
c)
inertia
d)
momentum
7.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
8.
The force of attraction between all matter.
a)
inertia
b)
friction
c)
net force
d)
gravity
9.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
10.
Which of the following is the same as a Newton?
a)
kg*m/sec/sec
b)
kg*m/sec
c)
m/sec/sec
d)
m/sec
11.
Which of the following is the units for acceleration?
a)
kg*m/sec/sec
b)
kg*m/sec
c)
m/sec/sec
d)
m/sec
12.
Which of the following is the units for velocity?
a)
kg*m/sec/sec
b)
kg*m/sec
c)
m/sec/sec
d)
m/sec
13.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
14.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
15.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
16.
A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
17.
A cannonball with a mass of 10 kg is flying at an acceleration of 5 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
18.
Mass x acceleration = ?
a)
force
b)
inertia
c)
momentum
d)
velocity
19.
In the picture, the blocks are flying out of the truck based on which of Newton's laws?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 6th Law
20.
In the picture, the vehicle will move because of...
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 9th Law
21.
To compare the two pictures would require...
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 11th Law
22.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
23.
Name the missing force...
a)
buoyant force
b)
normal force
c)
weight force
d)
frictional force
24.
Name the missing force...
a)
spring force
b)
weight force
c)
normal force
d)
buoyant force
25.
Name the missing force...
a)
applied force
b)
weight force
c)
lift
d)
normal force
26.
Name the missing force...
a)
tension force
b)
frictional force
c)
normal force
d)
spring force
27.
Name the missing force...
a)
applied force
b)
weight force
c)
tension force
d)
drag
28.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
29.
Match description with free-body diagram.
a)
A book is at rest on a tabletop.
b)
A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.
c)
An egg is free-falling from a nest in a tree. Neglect air resistance.
d)
A flying squirrel is gliding (no wing flaps) from a tree to the ground at constant velocity. Consider air resistance.
30.
Match description with free-body diagram.
a)
A force is applied to the right to drag a sled across loosely packed snow with a rightward acceleration. Neglect air resistance.
b)
A football is moving upwards towards its peak after having been booted by the punter. Neglect air resistance.
c)
A car is coasting to the right and slowing down. Neglect air resistance.
d)
A skydiver is descending with a constant velocity. Consider air resistance.
31.
Match description with free-body diagram.
a)
A book is at rest on a tabletop.
b)
A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.
c)
An egg is free-falling from a nest in a tree. Neglect air resistance.
d)
A flying squirrel is gliding (no wing flaps) from a tree to the ground at constant velocity. Consider air resistance.
32.
Match description with free-body diagram.
a)
A book is at rest on a tabletop.
b)
A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Diagram the forces acting on the combination of gymnast and bar.
c)
An egg is free-falling from a nest in a tree. Neglect air resistance.
d)
A flying squirrel is gliding (no wing flaps) from a tree to the ground at constant velocity. Consider air resistance.
33.
The gravitational force exerted on an object would be represented by which vector?
a)
↑
b)
→
c)
↓
d)
←
34.
Why is force a vector quantity?
a)
Because it has magnitude
b)
Because it is a vector
c)
Because it has direction
d)
Because it has magnitude and direction
35.
What is the net force in this diagram?
ΣF=
a)
10 N
b)
20 N
c)
30 N
d)
40 N
36.
What is the net force in this diagram?
ΣF=
a)
10 N
b)
20 N
c)
30 N
d)
40 N
37.
What is the acceleration in this diagram?
a=
a)
b)
c)
d)
38.
What is the acceleration in this diagram?
a=
a)
b)
c)
d)
39.
What is the acceleration in this diagram?
a=
a)
b)
c)
d)
40.
What is the acceleration of this system?
a)
b)
c)
d)
41.
What is the acceleration of this system?
a)
b)
c)
d)
42.
Which two of these systems have this acceleration?
a)
b)
c)
d)
43.
A box sits on a flat board. You lift one end of the board, making an angle with the floor. As you increase the angle, the box will eventually begin to slide down. Why?
a)
The component of the gravity force parallel to the plane increased
b)
The coefficient of static friction decreased
c)
Normal force exerted by the board is decreased
d)
Both #1 and #3
44.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
45.
What is the force of friction between a
block of ice that weighs 950 N and the ground if μ = .12?
a)
65 N
b)
226 N
c)
175 N
d)
114 N
46.
What
is the coefficient of static friction if it takes 44 N of force to move a
box that weighs 86 N?
a)
0.78
b)
0.51
c)
0.78 N
d)
0.58 N
47.
When an object is moved up a ramp, you need _________ effort than if it is just picked straight up.
a)
More
b)
Less
c)
same
48.
What is the net force?
a)
20 N
b)
0 N
c)
400 N
d)
40 N
49.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
100 %
