I Use a Rope 2

question 50

Multiple Choice

I use a rope 2.00 m long to swing a 10.0-kg weight around my head.The tension in the rope is 20.0 N.In half a revolution how much work is done by the rope on the weight?

• A)40.0 J
• B)126 J
• C)251 J
• D)0

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Definitions:

Reservoir

A natural or artificial place where water is collected and stored for use, especially water for supplying a community, irrigating land, furnishing power, or supporting aquatic life.

Wind Power

Wind power involves converting wind energy into electricity using wind turbines, a renewable and sustainable source of energy.

Renewable

Renewable resources are natural resources that can replenish themselves over time and do not diminish, such as solar, wind, and hydroelectric power.

Remote Locations

Areas that are far away from populated centers or difficult to access.