Two 25.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless pulley. The pulley is attached to a chain from the ceiling. (a) What is the tension in the rope? (b) What is the tension in the chain?
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Two 25.0 N weights are suspended at opposite ends of a rope
that passes over a light, frictionless pulley. The pulley is attached to a
chain from the ceiling. (a) What is the tension in the rope? (b) What is
the tension in the chain?
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- Two blocks are positioned on surfaces, each inclined at the same angle of 40.9 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 2.37 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.500. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at an acceleration of 1.5 m/s^2? 0.87 kg 22.68 kg 11.66 kg 0.96 kgTwo blocks are positioned on surfaces, each inclined at the same angle of 43.0 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 6.15 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.260. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at an acceleration of 1.5 m/s^2?Two blocks are positioned on surfaces, each inclined at the same angle of 40.9 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 6.53 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.210. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the RIGHT at an acceleration of 1.5 m/s^2? 3.15 kg 5.48 kg 2.65 kg 2.32 kg
- The rock is hanging from the middle of a clothesline. The rope is attached at equal heights 24 units apart and the entre point sags 1 unit below them. What is the tension if he has a mass of 20kg?Two blocks are positioned on surfaces, each inclined at the same angle of 51.0 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 4.15 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.260. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at an acceleration of 1.5 m/s^2? 6.28 kg 4.07 kg 2.65 kg 9.85 kgTwo blocks are positioned on surfaces, each inclined at the same angle of 55.4 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 7.71 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.600. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at a constant velocity? 18.60 kg 7.71 kg 13.16 kg 3.20 kg
- Two masses of weight 30.0 NN are suspended at opposite ends of a rope that passes over a light, frictionless pulley. The pulley is attached to a chain that goes to the ceiling. What is the tension in the rope? What is the tension in the chain?An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship. When the craft was stationary, the tension in the cable was 6500 N. When the craft was lowered or raised at a steady rate, the motion through the water added an 1800 N drag force. What is the weight of the rider?Two blocks are positioned on surfaces, each inclined at the same angle of 55.4 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 4.36 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.290. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at a constant velocity? 2.91 kg 6.54 kg 4.36 kg 5.45 kg
- Two blocks are positioned on surfaces, each inclined at the same angle of 44.0 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a frictionless pulley at the top of the inclines as shown, so the blocks can slide together. The mass of the black block is 6.84 kg, and the coefficient of kinetic friction for both blocks and inclines is 0.250. Assume static friction has been overcome and that everything can slide. What is must be the mass of the white block if both blocks are to slide to the LEFT at an acceleration of 1.5 m/s^2?A rope one meter long rests on a table where the coefficient of friction is 0.50. What maximum length of rope can hang over the side before the whole rope will slip off?Two ropes apply a force to a boat. The first is 200 N in the positive x direction, and the second is 250 N in the positive y direction. At what angle must a third rope tension be applied in order to keep the boat at rest? Your Answer: