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- 1. Multiple Choice
What is an applied force?
A force from a person or another object
A force of attraction between masses
A force from a rope or string
A force that resists motion
- 2. Multiple Choice
What is drag?
A force that opposes motion between surfaces
A force that opposes motion from air or water
Resistance to a change in motion
Inertia
- 3. Multiple Choice
What is friction
A force that opposes motion between surfaces
A force of attraction between 2 masses
A force applied from an object
A force applied from a surface
- 4. Multiple Choice
How do we calculate acceleration according to Newton's Second Law?
a = v/t
a = d/t
a = Fm
a = F/m
- 5. Multiple Choice
What is the first step of drawing a Free Body Diagram?
Label the forces on the arrows
Identify all the types of forces acting on the object
Draw the object in detail
Draw the arrows on the box
- 6. Multiple Choice
Which Law is described here: An a book is at rest on a table and will stay that way unless someone picks it up
Law of Gravity
Newton's First Law
Newton's Second Law
Newton's Third Law
- 7. Multiple Choice
How would we describe the forces acting on an object that is moving at a constant speed?
Balanced
Unbalanced
Neither
- 8. Multiple Choice
How would we describe the forces acting on an object that is slowing down?
Balanced
Unbalanced in the SAME direction as motion
Unbalanced in the OPPOSITE direction of motion
None of these
- 9. Multiple Choice
What TYPES of forces would be acting on a skydiver falling from a plane? Select all that are correct.
gravity
applied
normal
drag
- 10. Multiple Choice
Identify all the forces acting on an object being pushed across a surface.
Friction
Applied
Normal
Gravity
- 11. Multiple Choice
Which FBD correctly shows an object that is speeding up as it is pushed to the right?
- 12. Multiple Choice
What is the net force of the following FBD?
18 N up
18 N
18 N down
0 N
- 13. Multiple Choice
What is happening to an object whose net force is in the opposite direction of the object's motion?
it's moving at a constant speed
it's speeding up
it's slowing down
it's at rest
- 14. Multiple Choice
What will happen to an object's acceleration if the mass is doubled and the applied force remains the same?
the acceleration will decrease
the acceleration will not change
the acceleration will increase
there is not enough information to answer this
- 15. Multiple Choice
What will happen to an object if the force applied is increased and the mass remains the same?
The acceleration will increase
The acceleration will remain the same
The acceleration will decrease
There is not information to answer this
- 16. Multiple Choice
Which law is best illustrated in this situation: If pulled quickly, a tablecloth can be removed from underneath of dishes
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Law of Gravity
- 17. Multiple Choice
Which of Newton's Laws is being illustrated in this situation: When we kick a soccer ball, the harder we kick, the farther the ball goes.
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
None of the laws are described in this situation
- 18. Multiple Choice
Which of Newton's laws of motion are illustrated in this situation: While swimming or moving in a rowboat, when you push the water backward, there is a force in the opposite direction helping you move forward.
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Law of Gravity
- 19. Multiple Choice
An object with a mass of 2 kg experiences an acceleration of 6 m/s2. What force is applied to the object?
3 N
0.33 N
12 N
Not enough info to answer
- 20. Multiple Choice
An object with a mass of 5 kg is pushed with a force of 10 Newtons. Calculate the acceleration of the object.
15 m/s2
2 m/s2
50 m/s
0.5 m/s2
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