Determine the acceleration of the system and the tension in each cable. The inclined plane is smooth and the coefficient of kinetic friction between the horizontal surface and the block C is uk = 0.2
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Forces and Acceleration
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Determine the acceleration of the system and the tension in each cable. The inclined plane is smooth and
the coefficient of kinetic friction between the horizontal surface and the block C is k = 0.2
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- Calculate the horizontal force P required to push the 85-lb lawn mower at constant speed. The center of gravity of the mower is at G, and the coefficients of rolling resistance are 0.12 for the front wheels and 0.18 for the rear wheels.A box with a mass of 100 kg was originally attached to a spring in position A. After that, pressure was applied to the box until The spring compresses at a distance of X = 1 m and releases it, causing the box to move upwards along the inclined floor. if the floor is inclined, and Coefficient of friction uk = 0.3 Find the maximum distance in meters the box can travel along the slope.consider the mass and pulley system in the attached file. mass m1 = 29 kg and mass m2 = 12kg. the angle of the inclined plane is given and the coefficient of kinetic friction between mass m2 and the inclined plane is uk = 0.12. assume the pulleys are massless and frictionless when mass m2 moves a distance 4.94 m up the ramp, how far downward does mass m1 move? d= ?
- P1) Three blocks of masses m, = 8 kg, m, = 4 kg and ma = 3 kg are tied to each other as shown in the figure. The coefficient of kinetic friction between the 4 kg block and the surface is 0.5. When the system is released the blocks move. Calculate the acceleration of the blocks and the tensions in the strings.2. 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 °the system blocks shown below is in equilibrium, the weight of block A is 10 kN and for block B is 35 kN . The coefficient of friction between A and surface is 0.2 and between two block A and B is 0.15. Answer :the following P=40KN The value of friction force between * block A and its surface is 4.0 kN 5.5 kN 6.2 kN O Non above-mentioned
- Part 2 - Two blocks with masses ma = P kg and mB = 100 kg are connected with a flexible cable that passes over a frictionless pulley as shown in Fig. The coefficient of friction between the blocks is 0.2. If motion of the blocks is impending, determine the coefficient of friction between block B and the inclined surface and the tension in the cable between the two blocks Use the last TWO digits of your ID for the force P=24 A 40°Q3 - Blocks A and B have a mass of 7 kg and 10 kg, respectively, and there are pulleys at C and D. Using the coefficients of static friction indicated, determine the following: 1- The smallest force P which can be applied to the cord that causes impending motion. 2- Does block B spill, flip over, or nothing happen? Prove that. 400 mm D B 500 mm HAB=0.1 A P MA=0.3body resting on a rough horizontal plane requires a pull of 300 N inclined at 40º to the horizontal plane just to move it. It is found that a push of 150 N inclined at 40o to the x-axis can also make the body to move. Determine the weight of the body and the coefficient of friction.
- The 250-lb pipe is being towed behind a truck, as shown in the figure. If θ = 25° and the coefficient of friction of the pipe with the ground is μk = 0.25, determine: a) the tension in the cable b) the acceleration of the truckThe crate, which has a mass of 140 kg, is subjected to the action of the three forces shown in the figure. If it is originally at rest, determine the friction force when P1 = 750 N, P, = 900 N, P3 = 500 N and 0 = %3D %3D 25°. Assume the coefficient of kinetic friction between the crate and the surface is Hk = 0.40. P2 P1 P3 Select one: a. 260.15 N b. 161.84 N c. 315.34 N d. 457.76 NQ4/ Determine the magnitude of the mass (m) in the figure shown. Assume there is no friction in Each pulley, and the weights of all parts are small compared with the load. 20 kg