Physics Principles and Problems 2009

Section 7.2 : Using the Law of Universal Gravitation

Self-Check Quizzes

1
The _____ of a satellite orbiting Earth is equal to the square root of the universal gravitational constant times the mass of Earth, divided by the radius of the orbit.
A)orbit
B)period
C)speed
D)size
2
_____ mass is equal to the net force exerted on the object divided by the acceleration of the object.
A)Final
B)Gravitational
C)Inertial
D)Universal
3
What do the vector arrows pointing toward Earth's center represent?

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A)Earth's gravitational field
B)acceleration due to gravity
C)pressure exerted on Earth
D)the weight of gravity
4
Which can be used to measure gravitational mass?
A)balance
B)pulley
C)spring scale
D)thermometer
5
Einstein's general theory of _____ predicts the deflection of light by massive objects.
A)apparent position
B)inertia
C)light
D)relativity
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