Physics Review Question Preview (ID: 42690)
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The SI unit of acceleration is:
a) m/s
b) m/s^2
c) m^2/s
d) m^2/s^2
Velocity is:
a) the magnitude of the time rate of change of displacement and its direction
b) the magnitude of the time rate of change of displacement
c) the same as the speed
d) a scalar
The minimum resultant occurs at an angle of:
a) 90 degrees
b) 0 degrees
c) 180 degrees
d) 45 degrees
The maximum resultant occurs at an angle of:
a) 90 degrees
b) 0 degrees
c) 180 degrees
d) 45 degrees
The equilibrant is:
a) the force that is smaller than the sum of all forces
b) the force that is equal to the resultant and in the same direction
c) the force that is equal to and opposite of the resultant
d)
Weight and mass are the same thing
a) true
b) false
c)
d)
The quantity that is not scalar is:
a) displacement
b) speed
c) time
d) distance
What is the SI unit of length?
a) centimeter
b) millimeter
c) yard
d) meter
What does the slope of the distance vs. time graph represent?
a) acceleration
b) speed
c) velocity
d) distance
What does the slope of the velocity vs. time graph represent?
a) acceleration
b) speed
c) velocity
d) distance
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