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Chapter 5.2 Review (7th)
Test Description: What is a Force?
Instructions: Answer all questions to get your test result.
1) When the net force of an object is not 0 N. This force produces a change in motion, such as a change in speed or a change in direction
A
balanced
B
unbalanced
C
uneven
D
equal
2) The SI unit for force
A
meter (m)
B
inch (in)
C
newton (N)
D
meters per second (m/s)
3) The combination of all of the forces acting on an object
A
unbalanced force
B
net force
C
motion
D
balanced force
4) When the forces of an object produce a net force of 0 N. This force will not cause a change in the motion of a moving object
A
even
B
unbalanced
C
unequal
D
balanced
5) Which of the following may happen when an object receives unbalanced forces?
A
the object changes speed
B
the object starts to move
C
the object changes direction
D
all of the above
6) Which of the following choices best represents force?
A
a push or a pull acting without an object
B
a push or a pull acting on an object
C
a push or a pull always causing acceleration
D
a push or a pull always causing motion
7) Which of the following best determines the net force when more than one force is acting on an object?
A
a combination of all motions of an object
B
a combination of forces acting on an object in two directions
C
a combination of all forces acting on an object
D
a combination of all motions of an object in two directions
8) Which of the following always causes change in speed, direction, or both?
A
unbalanced forces
B
balanced forces
C
any combination of forces
D
either balanced or unbalanced forces
9) Which of the following causes an object to start moving?
A
unbalanced forces
B
either balanced or unbalanced forces
C
balanced forces
D
any combination of forces
10) A push or a pull is a
A
force
B
newton
C
motion
11) Any change in ___________ is caused by a force.
A
motion
B
force
C
newton
12) The SI unit for force is called a
A
newton
B
force
C
motion
13) How do you find the net force when the two forces act in the same direction?
A
adding
B
subtracting
C
multiplying
D
dividing
14) How do you find the net force when the forces act in opposite directions?
A
subtracting
B
dividing
C
multiplying
D
adding
15) When forces are balanced, the net force equals how many newtons?
A
0
B
2
C
1
D
3
16) Identify which of the following is exerting a force. Do so by writing force or no force in the space provided. A woman pushes the elevator button.
A
no force
B
force
17) Identify which of the following is exerting a force. Do so by writing force or no force in the space provided. A pile of soil sits on the ground.
A
force
B
no force
18) Identify which of the following is exerting a force. Do so by writing force or no force in the space provided. A balloon is rubbed on the fur of a cat.
A
force
B
no force
19) Identify which of the following is exerting a force. Do so by writing force or no force in the space provided. Magnets stick to the refrigerator.
A
no force
B
force
*select an answer for all questions
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