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Review 2.A.3
Test Description: Use mathematical representations of Newton’s law of gravitation to describe and predict the gravitational forces between objects.
Instructions: Answer all questions to get your test result.
1) Gravity is the force objects put on each other because of their ______.
A
mass
B
acceleration
C
speed
D
not enough information
2) If an object has more _______, it will have more gravitational force.
A
mass
B
distance
3) A person weighs _____ on the Earth than they do on the Moon.
A
more
B
the same
C
less
4) A person would weigh more on Jupiter than on the Earth because . . .
A
Jupiter has less mass and therefore less gravity
B
Jupiter has less mass, and therefore more gravity
C
Jupiter has more mass, and therefore more gravity
D
Jupiter has more mass, and therefore less gravity
5) Gravity attracts all objects towards one another.
A
false
B
true
6) As distance between objects increases the pull of gravity...
A
decreases
B
increases
C
not enough information
D
stay the same
7) Gravity was allegedly discovered when an apple fell on this person's head
A
Henry Dot
B
Washington
C
Newton
D
Einstein
8) Tides are caused by
A
the moon's gravity
B
whales
C
ocean waves
D
the suns rays
9) What would happen to your weight if Earth's mass was cut in half?
A
increase because gravitational force increases
B
decrease because gravitational force decreases
C
No change, weight is not effected by gravitational force
10) Which would have a greater effect on gravity. Doubling mass or halving distance
A
neither
B
they would have the same effect
C
doubling mass
D
halving distance
*select an answer for all questions
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