Suppose You Slowly, and at Constant Speed, Lift a Book

question 12

Multiple Choice

Suppose you slowly, and at constant speed, lift a book weighing 12 N from the floor to a shelf 2 m above the floor. Neglect air resistance. The work done by you on the book is

• A) zero.
• B) 6 joules.
• C) 24 watts.
• D) 6 watts.
• E) 24 joules.

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