A wedge M and a block N are subjected to forces P and Q as shown in the figure. If force P is sufficiently large, then the block N can be raised. The weights of the wedge and the block are negligible compared to the force P and Q. The coefficient of friction (p) along the inclined surface between the wedge and the block is 0.2 all other surfaces are frictionless. The wedge angle is 30°. Surface 2 Surface 3 µ = 0.2 Block N 30° Wedge M Surface 1 The limiting force P, in terms of Q, required for impending motion of block N to just move it in the upward direction is given as P = aQ. The value of the coefficient 'a' (round off to one decimal place) is

A wedge M and a block N are subjected to forces P and Q as shown in the figure. If force P is sufficiently large, then the block N can be raised. The weights of the wedge and the block are negligible compared to the force P and Q. The coefficient of friction (p) along the inclined surface between the wedge and the block is 0.2 all other surfaces are frictionless. The wedge angle is 30°. Surface 2 Surface 3 µ = 0.2 Block N 30° Wedge M Surface 1 The limiting force P, in terms of Q, required for impending motion of block N to just move it in the upward direction is given as P = aQ. The value of the coefficient 'a' (round off to one decimal place) is

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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Concept explainers

Beams and Frames

A beam is a horizontal structure or a member which is always subjected to transverse shear loads.

Question

A wedge M and a block N are subjected to
forces P and Q as shown in the figure. If force
P is sufficiently large, then the block N can be
raised. The weights of the wedge and the block
are negligible compared to the force P and Q.
The coefficient of friction (p) along the inclined
surface between the wedge and the block is 0.2
all other surfaces are frictionless. The wedge angle
is 30°.
Surface 2
Surface 3
p = 0.2
Block N
30°
Wedge M
Surface 1
The limiting force P, in terms of Q, required for
impending motion of block N to just move it in the
upward direction is given as P
aQ. The value
of the coefficient 'a' (round off to one decimal
place) is

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