Physics Chapters 3-4 Question Preview (ID: 7502)


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The only force that acts on an object in free fall.
a) friction
b) gravity
c) air resistance
d) tension

The slope of a distance vs. time graph represents
a) acceleration
b) velocity
c) weight
d) time

Mass and inertia are ________________ related.
a) directly
b) indirectly
c) are not
d)

Developed laws of motion.
a) Galileo
b) Copernicus
c) Aristotle
d) Newton

When you check your speed on the speedometer of your car, you are obtaining your _____________________ speed.
a) average
b) instantaneous
c)
d)

A car battery would have less inertia than a pillow.
a) False
b) True
c)
d)

Units for velocity.
a) m
b) m/s
c) m/s^2
d) N

If 63 kg astronaut went to the moon, where the acceleration due to gravity = 1.6 m/s^2, what would be their mass?
a) 63 kg
b) 100.8 N
c) 138.6 lbs.
d) 630 N

Velocity has both magnitude and direction, which means it is a vector quantity.
a) True
b) False
c)
d)

Property of an object to resist changes to its state of motion.
a) mass
b) volume
c) weight
d) inertia

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