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Explain how to find the work done in moving an object
Chapter 2, Problem 3E(choose chapter or problem)
QUESTION:
Explain how to find the work done in moving an object along a line in the direction of a constant force.
Questions & Answers
QUESTION:
Explain how to find the work done in moving an object along a line in the direction of a constant force.
ANSWER:Solution 3E Step1 If an object is moving in a straight line with position function s(t), then the force F on the object at time t is the product of the mass of the object times its acceleration. d s F = m dt Step2 Note if velocity and acceleration have opposite signs, the force is acting in the direction opposite to the movement of the object. In the SI