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Newton's Law Application

Total questions: 24

Worksheet time: 46mins

Name
Class
Date
1.

Which diagram best shows person pushing a couch (accelerating) across the floor?

a)
b)
c)
d)
2.
A box is moving to the left up a ramp. Which way is the force of friction pointing?
a)
down the ramp to the right
b)
up the ramp to the left
c)
there is no friction
d)
straight up
3.
Which of the following is true about the system shown?
a)
The system is not accelerating.
b)
The tension between m2 and m1 is less than the tension between m2 and m3
c)
The acceleration of the system only depends on m3
d)
None of the other answers are true
4.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
5.
Name the missing force...
a)
applied force
b)
weight force
c)
tension force
d)
drag
6.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
7.
What is the net force of an object that is not moving?
a)
0N
b)
100N
c)
Upward force
8.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
9.
Which one is balanced?
a)
top
b)
bottom
c)
both
10.

The free body diagram of four boxes are shown below. Which box is in equilibrium?

a)
b)
c)
d)
11.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
12.

If an object is moving to the right, this force is pushing or pulling to the left:

a)

friction

b)

applied

c)

normal

d)

tension

13.

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

a)

normal

b)

abnormal

c)

static

d)

inertia

14.

Which of the following is true about this free-body diagram?

a)

the forces are are balanced

b)

the object is free-falling

c)

the object is moving upward

d)

the forces are unbalanced

15.
Calculate the net force acting upon the object.
a)
10 N north
b)
10 N south
c)
14.1 N east
d)
0 N
16.
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.
17.

Which of the following free body diagrams correctly depict the forces acting on an object that is moving at a constant velocity?

a)
b)
c)
d)
18.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
19.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
20.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
21.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
22.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
23.

What is the net force acting on this object?

a)

25 N left

b)

25 N right

c)

12 N going up and 25 N left

d)

There are 4 net forces acting on the object

24.

What is the net force of this object?

a)

14 N to the left

b)

38 N to the right

c)

14 N to the right

d)

38 N to the left