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Samuels PS Motion II
Test Description: Physical Science Motion II
Instructions: Answer all questions to get your test result.
1) Measures displacement over time with both magnitude and direction.
A
velocity
B
acceleration
C
deceleration
D
speed
2) What is the formula to calculate speed.
A
s = d x t
B
s = d + t
C
s = d/t
D
s = t/d
3) What category of physics included mechanics, thermodynamics, optics, acoustics and electromagnetism?
A
relativity
B
chemical
C
classical
D
modern
4) A fish uses it fins to push water backwards while the water react by pushing the fish forward. Which law of motion does this illustrate?
A
third law of motion
B
first law of motion
C
fourth law of motion
D
second law of motion
5) If you are in a car traveling at 60 mph and you crash into wall. Since you were not wearing a seat belt your body continues forward at 60 mph, even when the car as been stopped. Which law of motion does this illustrate?
A
second law of motion
B
third law of motion
C
first law of motion
D
fourth law of motion
6) Objects of different masses accelerate at _________ rate but with ________ forces.
A
a different, the same
B
the same, the same
C
a different, different
D
the same, different
7) What is a mathematical quantity that measure only magnitude (size or amount)?
A
mechanics
B
resultant
C
vector
D
scalar
8) Which of the following depends on the total length of an object's path?
A
displacement
B
distance
C
velocity
D
acceleration
9) According the Newton’s Second Law, if mass remains constant, doubling the acceleration will ______ the force.
A
double
B
halve
C
triple
D
do nothing
10) Negative acceleration is also known as:
A
zero acceleration
B
pre-acceleration
C
deceleration
D
non-acceleration
*select an answer for all questions
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