Simple Pendulum: a Frictionless Pendulum Clock on the Surface of the Earth

question 9

Multiple Choice

Simple pendulum: A frictionless pendulum clock on the surface of the earth has a period of 1.00 s. On a distant planet, the length of the pendulum must be shortened slightly to have a period of 1.00 s. What is true about the acceleration due to gravity on the distant planet?

• A) The gravitational acceleration on the planet is slightly greater than g.
• B) The gravitational acceleration on the planet is slightly less than g.
• C) The gravitational acceleration on the planet is equal to g.
• D) We cannot tell because we do not know the mass of the pendulum.

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Definitions:

Rental Rate

The cost associated with leasing a particular commodity, property, or piece of equipment per unit time.

Marginal Product

The extra production resulting from the increase of a particular input by one unit, assuming all other factors remain constant.

Output

The total amount of goods or services produced by a company, industry, or country within a specific period.

Isoquant

A graph that shows all the combinations of capital and labor that can be used to produce a given amount of output.