WorksheetsQuiz on Forces in Two Dimensions
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What does it mean for an object to be in equilibrium?
a)
It is moving at a constant speed
b)
The net force acting on it is zero
c)
It is accelerating
d)
It is experiencing unbalanced forces
2.
Which of the following is NOT a condition for equilibrium?
a)
The object is at rest
b)
The object is moving at a constant velocity
c)
The net force is greater than zero
d)
The forces acting on the object are balanced
3.
In a free-body diagram, what do the arrows represent?
a)
The mass of the object
b)
The direction and magnitude of forces
c)
The speed of the object
d)
The distance traveled
4.
If a box is resting on a table, which forces are acting on it?
a)
Only the weight of the box
b)
Only the normal force from the table
c)
Weight and normal force
d)
Weight and friction force
5.
What is the normal force acting on a 10 N box resting on a flat surface?
a)
0 N
b)
5 N
c)
10 N
d)
20 N
6.
When analyzing forces on a ramp, which force acts parallel to the ramp?
a)
Normal force
b)
Weight
c)
Friction force
d)
Equilibrant force
7.
If a 10 N box is on a 30° ramp, what is the weight component acting down the ramp?
a)
5 N
b)
10 N
c)
8.66 N
d)
3 N
8.
When is an object considered to be in equilibrium?
a)
Only when it is completely stationary
b)
When it is moving in any way
c)
When it is either at rest OR moving at constant velocity
d)
When it is accelerating
9.
What is the key requirement for forces when an object is in equilibrium?
a)
The net force must be positive
b)
The net force must be negative
c)
The net force must be zero
d)
The net force must be changing
10.
In a book resting on a table, what two forces are in equilibrium?
a)
Weight and friction
b)
Normal force and friction
c)
Weight and normal force
d)
Friction and air resistance
11.
What is the primary purpose of a free-body diagram?
a)
To make artwork
b)
To show all forces acting on an object
c)
To calculate speed
d)
To measure distance
12.
When analyzing forces in two dimensions, what is the correct order of steps?
a)
Draw arrows, calculate magnitude, ignore components
b)
Break into components, draw arrows, add forces
c)
Draw arrows, break into components, add forces in each direction
d)
Add forces, draw arrows, break into components
13.
What is an equilibrant force?
a)
A force that increases motion
b)
A force that decreases motion
c)
A force that balances all other forces
d)
A force that only acts vertically
14.
How does the equilibrant force compare to the resultant force?
a)
It has half the magnitude
b)
It has double the magnitude
c)
It has the same magnitude but opposite direction
d)
It has the same magnitude and direction
15.
For a box on a ramp, which force acts parallel to the ramp surface?
a)
Normal force
b)
Weight
c)
Air resistance
d)
Friction
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