Calculate the horizontal force P required to raise the 94-kg load. The coefficient of friction between...
Calculate the horizontal force P required to raise the 95-kg load. The coefficient of friction between the rope and the fixed bars is 0.27. 1.90 95 kg Answer: P =
Determine the minimum force P required to move the 50-kg block to the right. The coefficient of static friction between the block and the surface is ui = 0.6 and the coefficient of static friction between the peg and the rope is p2 = 0.3. M2 50 kg
Determine the force P required to (a) raise and (b) lower the 78-kg cylinder at a slow steady speed. The coefficient of friction between the cord and its supporting surfaces is 0.27. 78 kg Answers: (a) P- (6) P =
Table 1. Static friction on Horizontal Plan Coefficient of Block load tatic Friction Materials Hanger load (kg (kg) (from the ck +load ger + 0.6975 100 797 8975 uminium 200 9975 1.0975 0.6975 100 7975 Steel 0,200 8975 0.9975 1.0975 300 0.40010.13 Plot the graphs of M vs m. Draw manually on the graph paper or using Excel the line of best fit for the data and calculate the slope of the line. The slope of the line is equal...
For a certain coefficient of friction u and a certain angle a, the force P required to raise m is 3.08 kN and that required to lower m at a constant slow speed is 1.19 kN. Calculate the mass m. Answer: m =
An 85 kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.50. A horizontal force 250 N force is applied to the box. What is the magnitude of the static friction force on the box? A.42N B.250N C.16.5N D.130N E.0.00N
8-65. Determine the smallest force P needed to lift the 3000-lb load. The coefficient of static friction between A and Cand between Band D is 0.3,and between A and B 0.4. Neglect the weight of each wedge. 3000 lb 15
If the coefficient of kinetic friction between a 33.0 kg crate and the floor is 0.360, what horizontal force is required to move the crate at a steady speed across the floor?
Problem 04 ed A 244-kg crate is being above the horizontal. The coefficient of kinetic friction is 0.2. If the crate is moved a distance of 45 m calculate across a horizontal floor by a force P that makes an angle 8-32.5 P 150ON 244 Kg [Hint draw a free body diagram and find the friction force] a) the work done by the net force. b) If the block was initially at rest compute its speed upon reaching 45 m
8-66. Determine the reversed horizontal force-P needed to pull out wedge A. The coefficient of static friction between A and C and between B and D is 0.2, and between A and B,0.1. Neglect the weight of each wedge. 3000 lb 15