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Gravity And Motion
Test Description: Review Questions on gravity and motion
Instructions: Answer all questions to get your test result.
1) ____________ is a force that attracts all matter to each other
A
gravity
B
friction
C
weight
D
magnetism
2) When the only force affecting an object is gravity, that object is in
A
free-fall
B
orbit
C
gravity
D
motion
3) If one object acquires more mass, will the gravitational attraction increase or decrease?
A
increase
B
decrease
4) If one object moves farther from a second object, will the gravitational attraction increase or decrease?
A
decrease
B
increase
5) True/False: Gravitational force is stronger between objects with more mass
A
true
B
false
6) If the earth disappeared, what would happen to the moon and all other objects orbiting earth?
A
they would orbit the sun
B
they would orbit each other
C
they would collide with mars
D
they would fly away
7) True/False: if an orange and a feather are dropped from the same height at the same time on earth, they will both hit the ground at the same time
A
true
B
false
8) What is the formula to determine force?
A
F=mt
B
F=mN
C
F=ma
D
F=mv
9) What two factors determine gravitational attraction
A
mass and speed
B
mass and distance
C
mass and volume
D
speed and direction
10) What does the law of universal gravitation state?
A
All objects have gravity
B
All objects attract each other through gravitational force
C
All objects have a mass which changes force
D
All objects attract each other through magnetic force
*select an answer for all questions
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