# Samuels PS Motion II Question Preview (ID: 31565)

### Physical Science Motion II. TEACHERS: click here for quick copy question ID numbers.Answers? Play games to get them!

Measures displacement over time with both magnitude and direction.
a) velocity
b) speed
c) acceleration
d) deceleration

What is the formula to calculate speed.
a) s = d/t
b) s = t/d
c) s = d x t
d) s = d + t

What category of physics included mechanics, thermodynamics, optics, acoustics and electromagnetism?
a) classical
b) modern
c) chemical
d) relativity

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) second law of motion
d) fourth law of motion

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) first law of motion
b) third law of motion
c) second law of motion
d) fourth law of motion

Objects of different masses accelerate at _________ rate but with ________ forces.
a) the same, different
b) a different, the same
c) the same, the same
d) a different, different

What is a mathematical quantity that measure only magnitude (size or amount)?
a) scalar
b) vector
c) resultant
d) mechanics

Which of the following depends on the total length of an object's path?
a) distance
b) displacement
c) velocity
d) acceleration

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

Negative acceleration is also known as:
a) deceleration
b) zero acceleration
c) non-acceleration
d) pre-acceleration

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