I. A rope used to pull a 15 kg box across a level floor at a co nstant speed makes à 25o angle with the horizontal. The tension in the rope is 50 N. Determine the coefficient of friction between the box and the floor. (.359) 2. If the tension in the rope in the previous problem is increased to 100 N and the coefficient of friction stayed the same, what would be the new acceleration? (3.53m/s2)
A girl is using a rope to pull a mystery box that has a mass of 30.6 kg across a rough level surface. The rope makes an angle with the floor of 30 degrees above the horizontal, and the tension in the rope is 100 N. If the coeficcient of kinetic friction between the box and surface is 0.333, what is the magnitude of kinetic friction force acting on the mystery box?
A) You pull on a large box using a rope as in (Figure 1), except the rope is at an angle of 15.0∘ below the horizontal. The weight of the box is 325 N , and the coefficient of kinetic friction between the box and the floor is 0.270. What must be the tension in the rope to make the box move at a constant velocity? Express your answer with the appropriate units.. B) What is the normal force that...
A) A massless rope is tied to a 1.82 kg box sitting on a rough, horizontal surface. The rope is pulled with constant force F acting upward at an angle 15.8o to the horizontal. The coefficient of kinetic friction between the box and the surface is 0.217, and the box slides at constant speed along the table for a distance of 84.4 m. Find the total work done by F, in J. B)Josh, mass 143 kg, is racing against his...
A horizontal rope is tied to a 55.0 kg box on frictionless ice. What is the tension in the rope if: Part A The box is at rest? Express your answer as an integer and include the appropriate units. Part B The box moves at a steady vx = 5.20 m/s ? Express your answer as an integer and include the appropriate units. Part C The box vx = 5.20 m/s and ax = 4.80 m/s2 ? Express your answer...
You are pulling a box of toys along the floor with a rope that makes an angle of 30° above the floor. If the tension in the rope is 50 N, what is the work done by the tension when the box of toys moves through a displacement of 3 m? Select one: a. 150 J b. 75 J c. 20 J d. 130J e. 50 J
At the airport, you pull a 18 kg suitcase across the floor with a strap that is at an angle of 40 ∘ above the horizontal. Part A Find the normal force. Express your answer using two significant figures. N = ______N Part B Find the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40. Express your answer using two significant figures....
1. What force is necessary to pull a 20.0-kg wooden box at a constant speed over a wooden floor at a constant speed over a wooden floor by a rope that makes an angle of 30° above the horizontal? The coefficient of kinetic friction (wood on wood) is 0.30. 2. A 50-kg balikbayan box rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the box just begins to move when your force...
A horizontal rope is tied to a 50kg box on frictionless ice. What is the tension of the rope if: Part A: The box at rest Part B: The box moves at a steady vx=5.60m/s? Part C: The box vx=5.60m/s and ax=5.00m/s^2? Please show the work :)
12. A crate is pulled across a horizontal floor by a rope tied to the crate. The rope makes an angle of 37 degrees with the horizontal. Find the frictional force if the tension in the rope is 10N and the crate moves with constant velocity. a. 3.0 N b. 5.0 N c. 7.0 N d. 8.0 N e. None of them 13. A 1500 kg car travels at a speed of 20 m/s. What is its kinetic energy? a....