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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
speed
C
deceleration
D
acceleration
2) What is the formula to calculate speed.
A
s = d x t
B
s = t/d
C
s = d + t
D
s = d/t
3) What category of physics included mechanics, thermodynamics, optics, acoustics and electromagnetism?
A
classical
B
chemical
C
relativity
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
first law of motion
B
fourth law of motion
C
third 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
third law of motion
B
first law of motion
C
fourth law of motion
D
second law of motion
6) Objects of different masses accelerate at _________ rate but with ________ forces.
A
the same, different
B
a different, different
C
a different, the same
D
the same, the same
7) What is a mathematical quantity that measure only magnitude (size or amount)?
A
scalar
B
mechanics
C
resultant
D
vector
8) Which of the following depends on the total length of an object's path?
A
distance
B
velocity
C
displacement
D
acceleration
9) According the Newton’s Second Law, if mass remains constant, doubling the acceleration will ______ the force.
A
do nothing
B
halve
C
double
D
triple
10) Negative acceleration is also known as:
A
pre-acceleration
B
zero acceleration
C
deceleration
D
non-acceleration
*select an answer for all questions
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