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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
increase in speed
B
a force
C
vector quantity
D
equilibrium
2) A quantity that has both magnitude and direction is called a
A
vector quantity
B
scalar quantity
3) Combination of all the forces acting on an object.
A
tension
B
net force
C
support force
D
weight
4) A 5N force is applied to the right and 4N is applied to the left. What is the net force?
A
1N to the right
B
9N to the left
C
9N to the right
D
1N to the left
5) Time is a
A
vector quantity
B
scalar quantity
6) For an object at rest on a horizontal surface, the support force equals
A
the weight of the object
B
force of friction
C
the net force
D
zero
7) 35 N is applied northward and 15N is applied northward. What is the net force?
A
50N southward
B
50N northward
C
20N southward
D
20N 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
compression
B
tension
C
gravity
D
weight
10) What is the minimum net force possible when adding a 9N force to a 17N force?
A
8N
B
27N
C
26N
D
7N
*select an answer for all questions
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