>Problem 8.61The two blocks used in a measuring device have negligible weight. Thespring is compressed 5 in. when in the position shown. The end of thescrew is smooth and the coefficient of static friction at all other points ofcontact is μ = 0.32. (Figure 1)Figurek = 20 lb/in.B45°A 60°1 of 1 Part ADetermine the smallest axial force P which the adjustment screw must exert on B in order to start the movement of B downward.Express your answer to three significant figures and include the appropriate units.P=ValueUnits

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The two blocks used in a measuring device have negligible weight. The spring is compressed 5 in. when in the position shown. The end of the screw is smooth and the coefficient of static friction at all other points of contact is = 0.32. (Figure 1)

The two blocks used in a measuring device have negligible weight. The spring is compressed 5 in. when in the position shown. The end of the screw is smooth and the coefficient of static friction at all other points of contact is = 0.32. (Figure 1)

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

>
Problem 8.61
The two blocks used in a measuring device have negligible weight. The
spring is compressed 5 in. when in the position shown. The end of the
screw is smooth and the coefficient of static friction at all other points of
contact is μ = 0.32. (Figure 1)
Figure
k = 20 lb/in.
B
45°
A 60°
1 of 1

Part A
Determine the smallest axial force P which the adjustment screw must exert on B in order to start the movement of B downward.
Express your answer to three significant figures and include the appropriate units.
P=
Value
Units

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