The Torque Exerted on a Perfectly Spherical Satellite by the Gravitational

question 17

Multiple Choice

The torque exerted on a perfectly spherical satellite by the gravitational pull of the sun is

• A)zero.
• B)directed along Earth's axis to the north pole.
• C)directed along Earth's axis to the south pole.
• D)in the direction of Earth's orbit.
• E)directed toward the sun.

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Definitions:

Sustainable Agriculture

Farming practices that maintain and improve the environment, economic profitability, and social equity for future generations.

Renewable Energy

Energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

Hydropower

The generation of electricity by harnessing the energy of flowing or falling water, considered a renewable and sustainable source of power.

Solar Power

The conversion of energy from sunlight into electricity, either directly using photovoltaics (PV), indirectly using concentrated solar power, or a combination.