Exam 3 Quiz #1
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- 1.An action exerted on an object which may change the object’s state of rest or motion defines
- A.
Acceleration
- B.
Force
- C.
Mass
- D.
Velocity
- 2.Which of the following situations describes inertia?
- A.
A stationary object tends to resist being moved.
- B.
A moving object tends to resist a change in speed.
- C.
A moving object tends to resist a change in direction.
- D.
All of the above
- 3.Two forces act on an object. The magnitude of the net force acting on the object
- A.
Equals the sum of the magnitudes of the two forces.
- B.
Equals the difference in the magnitudes of the two forces.
- C.
Equals the average of the two forces.
- D.
Cannot be determined from the given information.
- 4.The normal force
- A.
Equals Fg in magnitude.
- B.
Points vertically upward.
- C.
Is a scalar quantity.
- D.
Acts perpendicular to a surface.
- 5.Two dogs are tugging on a toy. One dog pulls with a horizontal force of 14 N due north. The other is pulling due east with a horizontal force of 14 N. What is the direction of the net external horizontal force on the toy?
- A.
North
- B.
Northeast
- C.
West
- D.
Northwest
- 6.A single force acting on an object is represented in a free-body diagram of the object by the following force vector:up . Which of the following force vectors represents a single force acting on the object that will bring the object into equilibrium?
- A.
Up
- B.
Right
- C.
Down
- D.
Left
- 7.In which situation is the net force acting on a car zero?
- A.
The car increases speed and changes direction.
- B.
The car increases speed but does not change direction.
- C.
The car maintains its speed but changes direction.
- D.
The car maintains both its speed and direction.
- 8.
![A draft horse exerts a horizontal force of 600 N dragging a log, on which the force of friction is 500 N. The force due to gravity on the log is 700 N and the ground exerts an upward force of 700 N on it. a.Draw a free-body diagram of the log.Option 1) Option 2)Option 3)Option 4) - ProProfs]( "A draft horse exerts a horizontal force of 600 N dragging a log, on which the force of friction is 500 N. The force due to gravity on the log is 700 N and the ground exerts an upward force of 700 N on it. a.Draw a free-body diagram of the log.Option 1) Option 2)Option 3)Option 4)")
A draft horse exerts a horizontal force of 600 N dragging a log, on which the force of friction is 500 N. The force due to gravity on the log is 700 N and the ground exerts an upward force of 700 N on it. a.Draw a free-body diagram of the log.Option 1) Option 2)Option 3)Option 4)- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
- 9.A draft horse exerts a horizontal force of 600 N dragging a log, on which the force of friction is 500 N. The force due to gravity on the log is 700 N and the ground exerts an upward force of 700 N on it.b.Determine the sum of the forces in the x-direction
- A.
1100 N
- B.
100 N
- C.
1400 N
- D.
0 N
- 10.A draft horse exerts a horizontal force of 600 N dragging a log, on which the force of friction is 500 N. The force due to gravity on the log is 700 N and the ground exerts an upward force of 700 N on it.c.Determine the sum of the forces in the y-direction
- A.
100 N
- B.
700 N
- C.
0 N
- D.
1400 N
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