Question

A book is pushed at a constant speed to the left along a table. Which of the following statements is true? (a) The work done on the book by the hand is negative. (b) The work done on the book by the hand is positive. (c) The work done on the book by the hand is zero. (d) The sign of the work done on the book by the hand depends on the choice of coordinate axes.

          A book is pushed at a constant speed to the left along a table. Which of the following statements is true?
(a) The work done on the book by the hand is negative.
(b) The work done on the book by the hand is positive.
(c) The work done on the book by the hand is zero.
(d) The sign of the work done on the book by the hand depends on the choice of coordinate axes.

A book is pushed at a constant speed to the left along a table. Which of the following statements is true?
(a) The work done on the book by the hand is negative.
(b) The work done on the book by the hand is positive.
(c) The work done on the book by the hand is zero.
(d) The sign of the work done on the book by the hand depends on the choice of coordinate axes.

Added by Jeffrey D.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Abhishek Jana

08/28/2019

Step 1

Step 1: The work done on the book can be calculated using the formula: \( W = F \cdot d \cdot \cos(\theta) \), where \( F \) is the force applied, \( d \) is the displacement, and \( \theta \) is the angle between the force and displacement vectors. Show more…

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A book is pushed at a constant speed to the left along a table. Which of the following statements is true? (a) The work done on the book by the hand is negative. (b) The work done on the book by the hand is positive. (c) The work done on the book by the hand is zero. (d) The sign of the work done on the book by the hand depends on the choice of coordinate axes.