A wedge is being forced under an 80-kg drum asThe coefficient of friction between thewedge and the arum is 0.10, while the coefficient of fric-tion is 0.30 at all other surfaces. Assuming a wedge anglee of 25° and that the weight of the wedge may be neglected,determine the minimum force P necessarv to insert theshown in Fig.wedge.P

Consider the free body diagram of the drum: For the drum when motion is impending. Let r be the…

Answered: A wedge is being forced under an 80-kg…

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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Problem #10: A horizontal bar, 11 ft long and of negligible weight, rests on rough inclined planes as shown. The coefficient of friction for all contact surfaces is 0.27. What is the normal force at contact point A? How close to A may the 120 lb force be applied before motion impends?
3.) Uniform box A has a weight of 40 Ib, and is leaning against box B as shown. Box B has a weight of WB. Friction coefficients between the various 20 in. (friction-less) X = 24 in. Y = 10 in. 30 deg. surfaces are as shown. 24 in. W = 40 Ib u-0.7 H= 0.4 a. Draw FBD's of box A and box B. b. Determine if the system is in static equilibrium. Note – Only check for sliding of A and B. N
A box (m=7.02 kg) is placed on a horizontal surface with u=0.2. If a force of 5.9 N is pushing the box to the right but the box does not move. What is the magnitude of the static friction force ( in N) during the effect of the 5.9 N force? Select one: O A. 5.90 O B. 79.213 OC. 25 OD. 68.80 OE. 13.8 Next pag page
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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
1. Solve for the value of P acting at B and tension(T) of rope attached at A, given that weight of block A and B are 210N and 300N, respectively. Use coefficient of friction = 0.40. 120 N 200 N P 30°
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 box rests on a rough table, and is just about to slip when pulled by a string inclined at an angle to the table. If the coefficient of friction is 0-25, find the tension in the string (a) when=45, (b) when a angle of friction.
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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