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Ch 5
Test Description: Ch 5 Questions
Instructions: Answer all questions to get your test result.
1) A word meaning “size”often used to describe scalar quantities is
A
magenta
B
magma
C
vector
D
magnitude
2) A measured quantity that is described by stating a size and a direction is called a:
A
victim
B
magnitude
C
scalar
D
vector
3) If a force vector acting in a northeast direction is resolved into its components, any vector acting in the north-south direction would be called a(n):
A
x-component
B
hypotenuse
C
resultant
D
y-component
4) Vector quantities include all of the following EXCEPT:
A
force
B
velocity
C
acceleration
D
speed
5) A scalar is a quantity that can be completely described using:
A
direction only
B
either magnitude or direction
C
both magnitude and direction
D
magnitude only
6) Jade pulls on a sled with 3 newtons of force toward north. Lara pulls on the sled with 4 newtons of force toward east. The magnitude of the wagon’s resultant force is ____ newton(s).
A
25
B
5
C
1
D
7
7) Sam pushes on a rock with 7 newtons of force toward west. Buck pushes on the rock with 8 newtons of force toward east. The rock rolls _____ with resultant force of ____ newton(s).
A
west, 7
B
east,8
C
east, 15
D
east, 1
8) When you are seated in a chair, the force exerted on you by the chair is called the:
A
mass
B
gravitational force
C
weight
D
normal force
9) A dictionary whose mass is 1.0 kilograms lying on a stationary table exerts a force of 9.8 newtons on the table. The force exerted on the dictionary by the table is ____ newtons.
A
8.8
B
1
C
9.8
D
10.8
10) The force that resists the motion of objects due to contact between their surfaces is called ____ force.
A
net
B
frictional
C
inertial
D
normal
11) Of the following, the statement about friction which is NOT true is:
A
friction can be harmful
B
friction can be eliminated
C
friction is always present
D
friction can be useful
*select an answer for all questions
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