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Mini-Quiz: Weak Equivalence Principle of Gravitation

by Ron Kurtus (updated 30 May 2023)

Take this Mini-Quiz to check your understanding of the lesson material.



1. According to the Weak Equivalence Principle, does the heavier object fall faster?

Yes, heavy objects fall much faster than lighter weight objects

It is uncertain since no one has ever tried to compare the rate of fall of two objects

Weight or mass difference does not affect the rate the objects fall

2. What is a requirement for the Weak Equivalence Principle?

Falling objects must be close to the mass of the Earth

The objects must fall freely without external forces

The force of gravity must be very weak

3. What comes into effect when the mass is equal to the attracting object?

The weak principle does not hold since they both move toward their center of mass

The velocity is doubled

The objects still fall at the same rate no matter what their masses are

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.


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Equivalence Principle - Laboratory Tests of Gravitational Physics

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Elevator, rocket, and gravity: the equivalence principle - Einstein online

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