The 240-lb body as shown in the figure below issupported by wheels at B which roll freely withoutfriction and by skid at A under which the coefficient offriction is 0.40. Compute the value of P to cause anacceleration of 1/3 g. Two blocks A and B are released from rest on a30° incline when they are 50 ft apart. The coefficient offriction under the upper block A is 0.2 and that underthe lower block B is 0.4. Compute the elapsed time untilthe blocks touch.

Given:- m=240lb acceleration=1/3g coefficient of friction=0.40 To find:- P

The 240-lb body as shown in the figure below is supported by wheels at B which roll freely without friction and by skid at A under which the coefficient of friction is 0.40. Compute the value of P to cause an acceleration of 1/3 g.

The 240-lb body as shown in the figure below is supported by wheels at B which roll freely without friction and by skid at A under which the coefficient of friction is 0.40. Compute the value of P to cause an acceleration of 1/3 g.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

The 240-lb body as shown in the figure below is
supported by wheels at B which roll freely without
friction and by skid at A under which the coefficient of
friction is 0.40. Compute the value of P to cause an
acceleration of 1/3 g.

Two blocks A and B are released from rest on a
30° incline when they are 50 ft apart. The coefficient of
friction under the upper block A is 0.2 and that under
the lower block B is 0.4. Compute the elapsed time until
the blocks touch.

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