A rectangular block is moving along a frictionless path when it encounters the circular loop, as shown at right. The block passes points 1, 2, 3, 4, 1 before returning to the horizontal track. At point 3,

A rectangular block is moving along a frictionless path when it encounters the circular loop, as shown at right. The block passes points 1, 2, 3, 4, 1 before returning to the horizontal track. At point 3,

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter7: Hamilton's Principle-lagrangian And Hamiltonian Dynamics

Section: Chapter Questions

Problem 7.5P

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

A.it experiences a net tangential force

B.its momentum points toward the center of the loop

Please tell me if it's correct or wrong

A rectangular block is moving along a frictionless path when it
encounters the circular loop, as shown at right. The block passes points 1, 2,
3, 4, 1 before returning to the horizontal track. At point 3,

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