What is the fundamental force that explains why objects fall at the same rate and why objects in space are naturally attracted to one another?
Physics Quiz: Planetary Motion

Quiz
•
Physics
•
12th Grade
•
Hard
Yugie Evangelista
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Strong nuclear force
Gravitational force
Electromagnetic force
Weak nuclear force
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
According to Newton's law of gravitation, the strength of the gravitational force is directly proportional to which of the following?
Mass of the objects
Temperature of the objects
Velocity of the objects
Distance between the objects
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the region around a massive object where other objects with mass would experience an attractive force called?
Magnetic field
Electric field
Gravitational field
Centripetal field
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of Kepler's laws states that all planets move about the Sun in elliptical orbits, having the Sun as one of the foci?
First Law
Second Law
Third Law
Fourth Law
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kepler's Second Law states that the radius vector joining any planet to the Sun sweeps out equal areas in equal lengths of time. What does this imply about the speed of planets along their orbits?
Variable speed
No speed
Constant speed
Opposite speed
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
According to Kepler's Third Law, what is directly proportional to the cube of the average distance of a planet from the Sun?
Orbital period
Mass of the planet
Temperature of the planet
Size of the planet
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the acceleration directed toward the center of a circular path called?
Tangential acceleration
Radial acceleration
Centrifugal acceleration
Centripetal acceleration
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