The coefficient of static friction between the 100 [N] box and the inclined surface is 0.20. The coefficient of static friction between the rope and the fixed cylinder is 0.10. Determine the force the woman must exert on the rope to cause the box to start moving up the inclined surface. 20°
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- You want to use a rope to pull a 12 kg box of books up a plane inclined 30 degrees above the horizontal. The coefficient of kinetic friction is 0.28.The rope pulls parallel to the incline. What force do you need to exert on the rope if you want to pull the box with a constant acceleration of 0.50 m/s squared yp the plane?The 3500-lb automobile shown in the picture is traveling down the 10-degree inclined road at a speed of 20 ft/s. If the driver wishes to stop the car, determine how far s the tires skid on the road if the brakes are jammed, causing the wheels to lock. Coefficient of kinetic friction between wheels and road is 0.5.I 00LLJ408 - Go.. Question Info and Solutions Blocks A and B of mass 5 kg and 10 kg respectively are placed on a Smooth inclined plane of Inclination 30, as shown. Block A and B are subjected to forces 5 N And 50 N respectively along the incline, as shown. The coefficient of friction between A andBis 0.50 find the frictional force between A and B in N is: (g= 10 ms SOH 300 Options Solution Fs=Static frictional force umg cos 30 (0.5) (5) (10) cos 30 21.6 N Let a be the acceleration of both the blocks along 5.27 PM
- The 30-kg cylinder is suspended from two equal-length cords. The end of each cord is attached to a ring to negligible mass that passes along a horizontal shaft. If the rings can be separated by distance d = 556 mm., determine the coefficient of static friction between each ring and the shaft.The 500-N block on an incline is acted upon by a force P at an angle from the horizontal. The coefficient of static friction is 0.25. If 0 = 0 deg, compute the value of force P necessary to (a) just start the block up the incline and (b) just prevent motion down the incline. 500 N PA car is moving in a circular road ( radius of 55.4 m) with a speed of 10.8 m/s. Find the minimum static friction coefficient between the wheels of the car and the road to keep the car moving without sliding. Select one: OA. 0.320 OB. 0.253 OC. 0.278 OD. 0.305 OE 0.215 Next page
- Find the exerted force P that keeps the 4kg weight at its location. The static the friction coefficient between belt/rope and pulley is 0.12 and the angles of contact in Pulley A and Pulley B can be assumed 135o and 45.The 121-lb force P is applied to the 250-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume μ = 0.45, μk = 0.36. Answer: F= i lbThe 137-lb force P is applied to the 240-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume μ = 0.51, Mk = 0.39. P Answer: F = i Mk lb
- A box of mass m-20.5 kg is pulled up a ramp that is inclined at an angle 0 17.0° angle with respect to the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.315, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of a 3.09 m/s, calculate the tension Fr in the rope Use g 9.81 m/s for the acceleration due to gravity. FTA block is resting on a ramp as shown in the figure below. You can change the inclination angle θ by raising one end of the ramp. The block has a mass 6.5 kg. At the interface between the ramp and the block, the coefficient of static friction is 0.4, and the coefficient of kinetic friction is .28. I managed to find the slip angle but I cant figure out where to go from there. Can someone help me understand how to solve this problem?Blocks A and B each have a mass m = 15 kg. The coefficient of static friction between A and B is μg = 0.28. The angle shown is 0 = 47°. Neglect any friction between B and C. A B P C Determine the largest horizontal force P that can be applied so that A will not slip on B. P= number (rtol=0.05, atol=1e-08) N