The forces F, = (4i - j- 6k)N and F, = (-7i + 2j + 3k)N act through the points with position vectors (-10i – 5j – 54k)m and (-30i – 24k)m , respectively. The forces F, = (2i-+ j+ k)N and F, = (i – 2j + 2k)N act through the point with position vector (-10j + 6k)m Show that the system of the four forces is in equilibrium. The force F of magnitude 42 N acts in the direction of the vector(5i – 4j + 20k)m . A particle P 1. %3D b) of mass 5 kg moves under the action of F from the point A(2,1. - 4) to the point B(-3,=7.10) Find the work done by F.

The forces F, = (4i - j- 6k)N and F, = (-7i + 2j + 3k)N act through the points with position vectors (-10i – 5j – 54k)m and (-30i – 24k)m , respectively. The forces F, = (2i-+ j+ k)N and F, = (i – 2j + 2k)N act through the point with position vector (-10j + 6k)m Show that the system of the four forces is in equilibrium. The force F of magnitude 42 N acts in the direction of the vector(5i – 4j + 20k)m . A particle P 1. %3D b) of mass 5 kg moves under the action of F from the point A(2,1. - 4) to the point B(-3,=7.10) Find the work done by F.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 10PQ: A makeshift sign hangs by a wire that is extended over an ideal pulley and is wrapped around a large...

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