Chapter 5.2 Review (7th) Question Preview (ID: 37615)
What Is A Force?
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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) equal
d) uneven
The SI unit for force
a) meters per second (m/s)
b) inch (in)
c) meter (m)
d) newton (N)
The combination of all of the forces acting on an object
a) balanced force
b) unbalanced force
c) net force
d) motion
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) balanced
d) unequal
Which of the following may happen when an object receives unbalanced forces?
a) the object changes direction
b) the object changes speed
c) the object starts to move
d) all of the above
Which of the following choices best represents force?
a) a push or a pull always causing motion
b) a push or a pull always causing acceleration
c) a push or a pull acting without an object
d) a push or a pull acting on an object
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 all motions of an object in two directions
c) a combination of all forces acting on an object
d) a combination of forces acting on an object in two directions
Which of the following always causes change in speed, direction, or both?
a) balanced forces
b) unbalanced forces
c) either balanced or unbalanced forces
d) any combination of forces
Which of the following causes an object to start moving?
a) balanced forces
b) unbalanced forces
c) either balanced or unbalanced forces
d) any combination of forces
A push or a pull is a
a) motion
b) force
c) newton
d)
Any change in ___________ is caused by a force.
a) motion
b) force
c) newton
d)
The SI unit for force is called a
a) motion
b) force
c) newton
d)
How do you find the net force when the two forces act in the same direction?
a) dividing
b) multiplying
c) subtracting
d) adding
How do you find the net force when the forces act in opposite directions?
a) dividing
b) multiplying
c) subtracting
d) adding
When forces are balanced, the net force equals how many newtons?
a) 0
b) 1
c) 2
d) 3
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) force
b) no force
c)
d)
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
c)
d)
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
c)
d)
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) force
b) no force
c)
d)
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