Answered: Corda Peso

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

The figure shows a conical object does not qualify an object at the lower end, the rope moves in a cone-like appearance when horizontal (the rope describes an object at the lower end). The object has constant modulus capability. The object's mass is m, the string has length L and a has radius r. Neglect air resistance.

Consider the following statements:
i) the work of the weight force is zero.
II) the work of the pulling force on the string is zero.
III) the kinetic energy of the system does not change.

Of these statements, only true are:

a) I
b) II
c) III
d) I and II
e) II and III
f) I and III
g) All
h) None

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