A m₁ = 1.20-kg aluminum block and a m₂ = 7.85-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle0 = 31.5°) as shown in the figure. (For aluminum on steel, μs = 0.61 and μk = 0.47. For copper on steel, μs = 0.53 and μk = 0.36.)Aluminumm1SteelCopper12e(a) the acceleration of the two blocksm/s²(b) the tension in the stringNNeed Help?Read It

Given DataAluminum block (m1): 1.20 kgCopper block (m2): 7.85 kgAngle (θ): 31.5∘Friction…

Answered: A m₁ = 1.20-kg aluminum block and a m₂…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A block with a mass of 9.32 kg is placed on a ramp. The ramp has an incline of ? = 20.2 degrees from the horizontal. The static coefficient of friction between the block and ramp is μs = 0.255, and the kinetic coefficient of friction between the block and ramp is μk = 0.134. A force, F, is exerted on the block as shown. Note that the force F is parallel with the ramp. What is the smallest value (magnitude) for the force, F, in Newtons that can be exerted on the block to hold the block stationary on the ramp? What is the largest value (magnitude) for the force, F, in Newtons that can be exerted on the block while still holding the block stationary on the ramp? What value (magnitude) for the force, F, is needed to move the block up the ramp at a constant speed?
The weight of the crate is equivalent to the resultant of the forces exerted by cords. The tension in cord AC is 813 N and that of cord AD is 862 N. If the stretch exerted to the spring is 693.7 N, what is the weight of the crate? 2 m 60° 135° 2 m 120° 1 m В k = 1.5 kN/m
Two ideal pulleys (massless and frictionless) form a pulley system that can lift a weight by pulling on the end of a massless rope, as shown below. The upper pulley is attached to the ceiling at point A, and the lower pulley is connected to a box of mass M = 10.0kg. (a) What is the tension in the rope if the box is accelerating upwards with a = 2.00 m/s^2? (b) What is the tension force at point A at the ceiling?
A m1 = 1.50-kg aluminum block and a m2 = 6.10-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle θ = 32.0°) as shown in the figure. (For aluminum on steel, μs = 0.61 and μk = 0.47. For copper on steel, μs = 0.53 and μk = 0.36.)
A block of mass m = 2.90 kg is pushed a distance d = 7.80 m along a frictionless horizontal table by a constant applied force of magnitude F = 16.0 N directed at an angle ? = 24.0° below the horizontal as shown in the figure below. A block labeled m is on a horizontal surface. An arrow labeled vector F points downward and to the right at an angle ? above the horizontal, and acts upon the upper left corner of the block. A faded image of the block is a distance d to the right of the block. (a) Determine the work done on the block by the applied force. J(b) Determine the work done on the block by the normal force exerted by the table. J(c) Determine the work done on the block by the force of gravity. J(d) Determine the work done by the net force on the block.
Figure 4 shows a block-pulley system to lift heavy objects. Box mı, of mass 10.0 kg, rests on a surface inclined at e =25 °to the horizontal. It is connected by a lightweight cord, which passes over a massless and frictionless pulley, to a bag of rice, which hangs freely as shown. Given coefficient of static friction, 4; and coefficient of kinetic friction, g are 0.40 and 0.15, respectively. mi Figure 4
A m1 = 1.65-kg aluminum block and a m2 = 6.05-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle ? = 34.0°) as shown in the figure. (For aluminum on steel, ?s = 0.61 and ?k = 0.47. For copper on steel, ?s = 0.53 and ?k = 0.36.)
a person is pushing a 50 kg block across the ground at a constant speed of 10m/s with a force of 100 N, using a lever inclined angle of 20 degrees. What is the normal force on the box?
2 3 Part B 3. A block of steel weighing 5 kg is stationary on a flat surface. A string parallel to the surface is pulled on with just enough force of 25.6N to get the block moving, What is the coefficient of static friction? (g = 9.8 m/s2) Note: F = Us N F = Static friction Hs = coefficient of static friction N = normal force = mg
A 10 m long board that has a mass of 20 kg is held up by two vertical ropes. The left rope is 2 m from the left end of the board, and the other rope is 2 m from the right end of the board. A 40 kg box sits 2 m from the right end. Find the tension in the rope on the left.
A block of mass m = 14kg rests on an inclined plane with a coefficient of static friction of mu_{s} = 0.11 between the block and the plane. The inclined plane is L = 6.8m long and it has a height of h = 3.95 m at its tallest point a. What angle in degrees does the plans make with respect to the horizontal B.what is the magnitude of the normal force, Fn in newtons that acts on the block C. What component of the force of gravity along with the plan fgx in newton? Will the block slide?
A horizontal force of magnitude 25.0 N sends a 2.00-kg block sliding up a plane inclined at 0 = 30.0° as shown in the figure. If the coefficient of kinetic friction between the block and the incline plane is 0.250, determine the acceleration of the block.

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