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Force And Motion
Test Description: Review questions about force and motion.
Instructions: Answer all questions to get your test result.
1) A force can best be defined as:
A
something that is exerted
B
a push or a pull
C
change in velocity over change in time
D
gravity or friction
2) Which of the following is an example of a net force?
A
Friction pushes against an object, slowing it down.
B
A 10 kg box of books has intertia
C
A car travels at a constant velocity of 10 m/s
D
A car in motion will tend to stay in motion, while a car at rest will tend to stay at rest.
3) Which of the following is not a possible effect of a force?
A
Changing the speed of an object already in motion.
B
Causing a stationary object to begin to move.
C
Increasing the inertia of an object.
D
Changing the direction of an object in motion.
4) In which situation does the motion of an animal show that a net force is acting on that animal?
A
An eagle remains flying at a constant velocity.
B
A sparrow remains stationary perched on a power line.
C
At 0s, a snake slithers forward with a velocity of 2 m/s. 5 s later the snake's velocity is 2 m/s.
D
A running tiger increases its speed from 4 m/s to 6 m/s.
5) Which of the following statements bests states Newton's second law?
A
The net force of an object will equal the mass of the object multiplied by its acceleration.
B
Any one force that acts on an object will equal the mass of the object multiplied by its velocity.
C
The net force of an object will equal the mass of the object multiplied by its velocity.
D
Any one force that acts on an object will equal the mass of the object multiplied by its acceleratio
6) Choose the best ending. If an object is traveling with a constant velocity...
A
There is no net force on the object.
B
There are no forces parallel to the direction of motion.
C
There are only forces parallel to the direction of motion.
D
There are no forces on the object.
7) You see an object accelerate towards the left. Which of the following statements is correct?
A
There is a net force on the object upwards.
B
There is a net force on the object to the right.
C
There is a net force on the object to the left.
D
There is a net force on the object downwards.
8) What is the net force on a car if the force of friction is 15 N and the forward force due to the engine is 20 N?
A
33 N backwards
B
5 N backwards
C
5 N forwards
D
33 N forwards
9) A force can best be defined as:
A
a push or pull
B
gravity or friction
C
something that is exerted
D
change in velocity over change in time.
10) Which of the following is not a possible effect of a force?
A
Increasing the inertia of an object.
B
Changing the speed of an object already in motion.
C
Causing a stationary object to begin to move.
D
Changing the direction on an object in motion.
*select an answer for all questions
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