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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
vector quantity
B
increase in speed
C
a force
D
equilibrium
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
weight
B
tension
C
support force
D
net force
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
9N to the left
C
1N to the left
D
1N to the right
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
zero
B
the weight of the object
C
the net force
D
force of friction
7) 35 N is applied northward and 15N is applied northward. What is the net force?
A
50N northward
B
20N northward
C
20N southward
D
50N southward
8) Weight and mass are the same.
A
False
B
True
9) The force that acts upward on an object suspended from a spring is called
A
compression
B
weight
C
tension
D
gravity
10) What is the minimum net force possible when adding a 9N force to a 17N force?
A
7N
B
27N
C
8N
D
26N
*select an answer for all questions
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