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Chapter 2: Mechanical Equilibrium
Test Description: Part 1
Instructions: Answer all questions to get your test result.
1) Which of the following is needed to change an object's state of motion?
A
a force
B
equilibrium
C
vector quantity
D
increase in speed
2) A quantity that has both magnitude and direction is called a
A
scalar quantity
B
vector quantity
3) Combination of all the forces acting on an object.
A
net force
B
support force
C
weight
D
tension
4) A 5N force is applied to the right and 4N is applied to the left. What is the net force?
A
9N to the right
B
1N to the left
C
1N to the right
D
9N to the left
5) Time is a
A
scalar quantity
B
vector quantity
6) For an object at rest on a horizontal surface, the support force equals
A
the net force
B
zero
C
the weight of the object
D
force of friction
7) 35 N is applied northward and 15N is applied northward. What is the net force?
A
20N southward
B
20N northward
C
50N southward
D
50N northward
8) Weight and mass are the same.
A
True
B
False
9) The force that acts upward on an object suspended from a spring is called
A
weight
B
gravity
C
compression
D
tension
10) What is the minimum net force possible when adding a 9N force to a 17N force?
A
7N
B
26N
C
27N
D
8N
*select an answer for all questions
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