Physics Question Preview (ID: 57440)
Basics Of Physics.
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The SI unit for measuring volume is
a) meter
b) liter
c) gram
d) degree celsius
The SI unit for measuring mass is:
a) second
b) kelvin
c) amperes
d) mole
What prefix is represented by the following symbol: K
a) hecto
b) kilo
c) deci
d) centi
A base quantity is a quatity that is;
a) drawn
b) measured
c) tested
d) calculated
A derived quantity is a quantity that is:
a) drawn
b) measured
c) tested
d) calculated
The SI unit for mass is:
a) pounds
b) inches
c) kilograms
d) ounces
Newtons could be used to measure ________ and ________.
a) mass, speed
b) force, weight
c) momentum, work
d) direction, power
What is the SI unit for weight and force?
a) pound
b) newton
c) liter
d) second
What is the SI unit for length
a) M
b) m
c) l
d) g
What is the SI unit for time
a) w
b) h
c) m
d) s
Which of the following statements about speed and velocity is correct?
a) Velocity only describes an object’s rate of motion.
b) Speed and velocity d both describe how an object is speeding up.
c) Speed describes how an object is changing its velocity.
d) Only velocity includes the direction an object is traveling.
Acceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?
a) A car driving at a constant speed
b) A toy train traveling in a circle
c) A book sitting on top of a high shelf
d) A toy boat floating in a bathtub
When a car goes around a corner at 20 mph, why do we say it accelerates?
a) The car is accelerating because of the velocity is constant
b) Cars always accelerate when they are in motion
c) The car accelerates because it's going 20 mph
d) The car is accelerating because it's changing direction
The geese fly 23 mph to the south when they migrate for the winter.
a) speed
b) acceleration
c) velocity
d) momentum
The tornado is traveling northwest at 20 mph.
a) speed
b) acceleration
c) velocity
d) momentum
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