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Physics
Test Description: Newton's Laws
Instructions: Answer all questions to get your test result.
1) Newton's first law is also known as the law of:
A
inertia.
B
force pairs
C
universal gravitation
D
unbalanced forces
2) If the net force acting on a moving object is zero, the object will:
A
continue in the same direction with no change of speed.
B
continue at the same speed but change direction.
C
continue in the same direction but change speed.
D
slow down and, eventually, stop.
3) Units of measurement used to label a quantity of acceleration are:
A
cm^2/sec.
B
cm/sec.
C
sec^2/cm.
D
cm/sec^2.
4) The rate of change in the speed of an object is known as:
A
displacement.
B
acceleration.
C
equilibrium.
D
velocity.
5) Acceleration of an object must be caused by a force that is:
A
zero.
B
not zero.
C
negative.
D
positive.
6) A ball is dropped off the roof of a tall building. If the ball reaches the ground in 3 seconds, how tall is the building?
A
44.1 meters
B
14.7 meters
C
9.8 meters
D
29.4 meters
7) Terminal speed occurs when:
A
the acceleration due to gravity equals zero.
B
the air resistance of an object increases.
C
an object starts to slow down due to air resistance.
D
the force of gravity is balanced by the air resistance of an object.
8) The slope of a position versus time graph represents:
A
speed.
B
acceleration.
C
position.
D
force.
9) “Forces occur in pairs” is another way of stating Newton’s:
A
third law of motion.
B
first law of motion.
C
second law of motion.
D
universal law of motion.
10) The metric unit of force preferred by scientists is the:
A
kilogram.
B
pound.
C
newton.
D
mima.
*select an answer for all questions
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