A Rock That Weighs 100 Lb on Earth Is Taken

question 25

Multiple Choice

A rock that weighs 100 lb on Earth is taken to the Moon. Which of the following statements accurately describes what would be observed?

• A) The rock is easier to lift because its mass is less on the moon.
• B) The rock is easier to lift because its weight is less on the moon.
• C) The rock is more difficult to lift because the Moon's radius is less than Earth's.
• D) The rock is just as difficult to lift on the Moon as it is on Earth because its mass hasn't changed.

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Definitions:

Low-voltage Drop-out

A protective feature in electrical devices that causes them to turn off when voltage levels fall below a specified threshold.

Motor Stator

The motor stator is the stationary part of an electric motor, consisting of coils which create a magnetic field that induces rotation in the motor's rotor.

Selector Switch

A switch that allows the user to select between multiple options or circuits within an electrical or electronic device.

Pushbutton

A simple switch mechanism for controlling some aspect of a machine or a process.