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Chapter 12 Review 1
Test Description: Newton's first, second, and third law of motion, momentum, inertia, weight, mass
Instructions: Answer all questions to get your test result.
1) The SI unit of force is the
A
Meter
B
Joule
C
Kilogram
D
Newton
2) Which of the following relationships is correct?
A
1 N = 1 kg
B
1 N = 1 kg x m
C
1 N = 1 kg x m/s2
D
1 N = 1 kg x m/s
3) When an unbalanced force acts on an object,
A
The object's motion does not change
B
The object accelerates
C
The weight of the object decreases
D
The inertia of the object increases
4) When a pair of balanced forces acts on an object, the net force that results is
A
greater in size than one of the forces
B
greater in size than both forces combined
C
equal to zero
D
equal in size to one of the forces
5) What kind of a friction occurs as a fish swims through water?
A
static
B
fluid
C
rolling
D
sliding
6) As you push a cereal box across a tabletop, the sliding friction acting on the cereal box
A
is usually greater than static friction
B
acts in the direction of motion
C
equals the weight of the box
D
acts in the direction opposite of motion
7) The forces acting on a falling leaf are
A
air resistance and fluid friction
B
gravity and air resistance
C
weight and rolling friction
D
gravity and static friction
8) An open parachute increases air resistance of a falling sky diver by
A
increasing surface area
B
decreasing the weight of the diver
C
increasing the terminal velocity
D
reducing fluid friction
9) Projectile motion is caused by
A
the downward force of gravity and an initial forward velocity
B
the downward force of gravity
C
an initial forward velocity
D
a final vertical velocity
10) The property of matter that resists changes in motion is called
A
inertia
B
friction
C
gravity
D
weight
*select an answer for all questions
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