# Chapter 4: Question Preview (ID: 26643)

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baseed on the inverse square law if a spray paint covers a 2X2 area what is the thickness compared to a 1X1 area?
a) 2
b) 1/2
c) 4
d) 1/4

what is the thickness of a layer of spray paint on a 3X3 area compared to a 1X1 area?
a) 1/9
b) 9
c) 3
d) 1/3

if two planets double in mass what happens to its gravitational pull
a) doubles
b) half
d) quarters

if one planet triples its mass and one stays the same how much does gravity increase by?
a) 1/3
b) 3
c) 9
d) 1/9

if you throw a ball, how far will it fall in 1 second?
a) 5m
b) 1m
c) 10m
d) 15m

if you throw a ball, how far will it fall after 2 seconds?
a) 5m
b) 10m
c) 15m
d) 20m

After a ball is thrown the acceleration of gravity pulls is
a) down
b) up
c) horizontal
d)

when you are pulled up in an elevator, your relative weight is
d) zero

when going down in an elevator your relative weight is
d) zero

if the elevator breaks and you are in free fall what is your weight relative to your normal weight