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Newton's Laws Of Motion
Test Description: The review goes over the three laws of motion along with some terminology.
Instructions: Answer all questions to get your test result.
1) When an unbalanced force acts on an object, the force
A
changes the motion of the object.
B
its canceled by another force.
C
does not change the motion of the object.
D
is equal to the weight of the object.
2) According to Newton's second law of motion, force is equal to mass times
A
acceleration.
B
direction.
C
inertia.
D
weight.
3) When a soccer ball is kicked, the action an reaction forces do not cancel each other out because
A
the forces act on two different object.
B
answer not given
C
the force of the foot on the ball is bigger than the force of the ball on the foot.
D
the forces act at the different times.
4) When you rub your hands together on a cold day, you use friction to convert
A
mechanical energy into thermal energy.
B
electrical energy into electromagnetic energy.
C
thermal energy into nuclear energy.
D
nuclear energy into electrical energy.
5) Which of the following has kinetic energy?
A
a rock poised for a fall
B
a car waiting at a red light
C
a rolling bowling ball
D
an archer’s bow that is drawn back
6) Unlike kinetic energy, potential energy is
A
stored.
B
conserved.
C
not measurable.
D
energy of motion.
7) The law of conservation of energy states that when one form of energy is converted into another,
A
some amount of energy cannot be accounted for.
B
energy is created in the process.
C
energy is destroyed in the process.
D
no energy is destroyed in the process.
8) A change from one form of energy into another is called
A
work.
B
an energy transformation.
C
gravitational potential energy.
D
conservation of energy.
9) The tendency of an object to resist change in its motion is known as
A
balance.
B
force.
C
mass.
D
inertia.
10) The force that one surface exerts on another when the two rub against each other is called
A
inertia.
B
friction.
C
acceleration .
D
gravity.
11) The force that pulls falling objects toward Earth is called
A
air resistance.
B
gravity.
C
free fall.
D
acceleration.
12) Objects falling through air experience a type of friction called
A
air resistance.
B
inertia.
C
terminal velocity.
D
rolling friction.
13) According to Newton’s third law of motion, when a hammer strikes and exerts force on a nail, the nail
A
moves at a constant speed.
B
creates a friction with the hammer.
C
exerts an equal force back on the hammer.
D
disappears into the wood.
14) Balanced forces acting on an object
A
never change the object’s motion.
B
are not related to motion.
C
always change the object’s motion.
D
sometimes change the object’s motion.
15) The rate at which velocity changes is called
A
motion.
B
direction.
C
The rate at which velocity changes is called
D
acceleration.
16) A place or object used for comparison to determine if something is in motion is called
A
a reference point.
B
a position.
C
a constant.
D
velocity.
17) If the speed of an object does NOT change, the object is traveling at a
A
constant speed.
B
decreasing speed.
C
average speed.
D
increasing speed.
18) Changing direction is an example of a kind of
A
speed.
B
velocity.
C
acceleration.
D
constant rate.
19) A person traveling in a car that stops suddenly keeps moving forward due to
A
inertia.
B
air resistance.
C
net force.
D
gravity.
20) The overall force on an object after all the forces are added together is called the
A
air resistance.
B
net force.
C
acceleration.
D
inertia.
*select an answer for all questions
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