An Object of 1

question 81

Multiple Choice

An object of 1.0 kg mass is pulled up an inclined plane by a constant force of 10 N that causes a displacement of 0.50 m. The angle of inclination with the horizontal is 30°. Neglect friction and use g = 10 m/s². What is the work done by the 10 N force on the object along the inclined plane?

• A) 4.3 J
• B) 4.3 kg m/s²
• C) 5.0 J
• D) 2.5 J

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Definitions:

Net Energy Ratio

A measure comparing the amount of energy delivered by a system to the amount of energy used in its construction and maintenance.

Petrochemicals

Chemical products derived from petroleum or natural gas, serving as raw materials in various manufacturing processes.

Organic Chemicals

Compounds containing carbon atoms, typically produced by living organisms but can also be synthesized artificially.

Net Energy Ratio

The ratio of the amount of useful energy produced by an energy system to the amount of energy expended to produce it.