A 30-kg box is sitting on an inclined surface asIf the coefficient of friction betweenshown in Fig.the box and the surface is 0.50 and the angle a = 60°, de-termine the maximum force T for which the box will be inequilibrium. Is impending motion by tipping or by slip-ping?T0.6 m20°30 kg0.9 m

A free-body diagram of the box is given as, On using force equilibrium in normal to the inclined…

Answered: A 30-kg box is sitting on an inclined…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A solid block A weighing Q kg is resting on a flat floor. A smooth cylinder B weighing Pkg. is placed between the solid A and the vertical wall as shown in fig. The friction between the cylinder, wall and the block A is negligible. The co-efficient of friction between the block A and floor is u. The minimum weight Prequired to disturb the block A is Wall to Floor
The crate has a weight of W = 350 lb and the %3D coefficient of static Friction between the crate and the ground is µs = 0.3. If the angle %3D e = 45° and P = 100 lb, the normal force 'N' exerted on the crate is. Select one: a. 83.79-lb b. 70.71-lb С. О d. 279.29-lb
Hw.2 A (10 Kg mass) block is resting on a rough horizontal surface for which the coefficient of friction is (u-0.20). Determine the force Papplied to the block. EFx=0 5Pcos45-F=0 5P F=5Pcos45 45 EFy=0 N-5Psin45-98.1=D0 N=98.1+5Psin45 265 F=u N 5Pcos45=0.2*(98.1+5Psin45) P= F= N=
Please provide the correct solution, and include free body diagram.
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Question 3(a) The non uniform XYZ bar which weighs 155 kg has its centre of gravity G at a distance 4 m from X. This bar rests on a homogeneous crate P. The static coefficient of friction between the bar and the crate is 0.31 while the same between the crate and the floor is 0.22. Determine the mass of the lightest crate P (in kilograms) that can be used to support this non uniform bar in the position shown in Figure 3. The height of the crate is 4.32 m and the length of the bar is 8.59 m. 4 m 3 m - 1 m - Figure 3 Question 3(b) Take an example from everyday life where you can identify the application of the concepts we learn in the "Dry friction" module. Sketch this example and discuss about the effect of friction on that particular scenario. Sketch does not have to be drawn to a scale. (Description should be 250 words or less).
Situation 1: A 50 N block rests on a surface that is inclined by e degrees. If u: = 0.35 and uk = 0.15, determine the following: A. The maximum e where the motion impends (degrees) B. If e = 15°, what is the frictional force between the block and the incline? (N) C. If e = 25°, what is the frictional force between the block and the incline? (N)
A 75-kg man starts climbing a ladder that leans If the weight of the against a wall as shown in Fig. ladder is negligible, determine how far up the ladder the man can climb before the ladder starts to slip if The coefficient of friction at the bottom end of the lad- der is increased to 0.40 by placing a piece of rubber between the ladder and the floor. 5 m 60°
Consider the situation shown where a 15-kg box is to be held on a steep vertical slope by a cord that can withstand 80 N. Will the box be held or will the cord snap (i.e. exceed 80 N)? The coefficient of static friction between the box and slope is 0.3. Note: more sophisticated methods exist but do a simple analysis using statics alone and a little reasoning. 60
A 10 m long beam weights rests against the smooth wall as shown. The weight of the beamis 2 N. The coefficient of static friction between the beam and the ground is 1.4. Determine themaximum magnitude of force P that can be applied before the beam slides.

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