20 cm Q5: The homogeneous block weights 250 N. Determine the value of P for which the block in equilibrium, the coefficient of friction is 30 cm 0.3 between the plane and the block.
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- Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair is denoted by G. The coefficient of static friction is 0.2 at B (the contact point between the chairs) and 0.35 at A, C, and D. Determine the smallest force P that would cause sliding.2. The 100 – Ib force acts as shown on a 300 - Ib block placed on an inclined plane. The coefficients of friction between the block and the plane are us = 0.25 and Hk = 0.20. Determine whether the block is in equilibrium, and find the value of the friction for the friction force. 300 Ib 100 lb20 cm The homogeneous block weights 250 N. Determine the value of P for which the block 30 cm in equilibrium, the coefficient of friction is 0.3 between the plane and the block. 15 cm 10 N 10 cm
- A 100-lb force acts as shown on a 300-lb crate placed on an inclined plane. The coefficients of friction between the crate and the plane are u. = 0.25 and Hk = 0.20. 300 lb Determine whether the crate is in equilibrium, and find the value of the friction force. 100 Ib 420 cm Q5: The homogeneous block weights 250 N. Determine the value of P for which the block 30 cm in equilibrium, the coefficient of friction is 0.3 between the plane and the block. 15 cm 10 N 10 cm 3 (20 Degree)1. The center of gravity of the 60 kN block is at G. The static coefficient of friction between the block and the inclined surface is 0.30. Determine; a. the frictional force between the block and the inclined plane. b. the smallest force P for which the block will move up the inclined plane without tipping. c. the largest distance h for which the block will move up the inclined plane without tipping. G P 1.0m 0.80m 20° 0.50m 0.50m
- A 60-kg cabinet is mounted on casters that can be locked to prevent their rotation. The coefficient of static friction between the floor and each caster is 0.35. 3. If h = 600 mm, determine the magnitude of the force P (in N) required to move the cabinet to the right if the casters at A are locked and the casters at B are free to rotate. (ANSWER: 72.5)The weight of the cylindrical tank is negligible in comparison to the weight of water it contains. The coefficient of static friction between the tank and the horizontal surface is µs. 30 -r = 1.5 ft 5 ft Assuming a full tank, find the smallest force P required to tip the tank. c. 655.55 lb d. 722.22 lb Determine the smallest µs that would allow tipping to take place. c. 0.422 d. 0.189 a. 567.41 lb b. 823.11 lb a. 0.256 b. 0.332 If the force P=350 lb initiates tipping, determine the depth of water in the tank. с. 4.22 ft d. 3.45 ft а. 3.08 ft b. 2.89 ft2. Find the least value of P required to cause the system of blocks to have impending motion to the left. The coefficient of friction is 0.2 under each block. 300 Ib 100 lb 30 °
- Q1: - The block shown in figure below has a mass of 100 kg and is resting on 30° inclined surface. The block is connected to another block with a weight of W through a light and inextensible cord that is passing around a frictionless pully. The coefficient of static friction between the 100 kg block and the inclined surface is 0.45. Determine the minimum and maximum weights of the second block that keep the system in equilibrium. Also, show whether the impending motion is by slipping or by tipping. -300 mm- 100 kg 450 mm 600 mm-A 60-kg cabinet is mounted on casters that can be locked to prevent their rotation. The coefficient of static friction between the floor and each caster is 0.35. 1. If h = 600 mm, determine the magnitude of the force P (in N) required to move the cabinet to theright, if all the casters are locked. (ANSWER: 206) 2. If h = 600 mm, determine the magnitude of the force P (in N) required to move the cabinet to the right if the casters at B are locked and the casters at A are free to rotate. (ANSWER: 178)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