A box (m 60 kg) is held in position on an incline by a cable. The...
8. A box of mass m =22 kg is at rest on a ramp inclined at 45° to the horizontal. The coefficients of friction between the box and the ramp are Us = 0.78 and Uk = 0.65. (a) Determine the magnitude of the largest force that can be applied upward, parallel to the ramp, if the box is to remain at rest. (b) Determine the magnitude of the smallest force that can be applied onto the top of the...
Problem 2:A 12-kg box is released from the top of an incline that is 5.0m long and makes an angle of 40° to the horizontal. A 60-N friction force impedes the motion of the box.a) What will be the acceleration of the box?b) How long will it take to reach the bottom of the incline?c) What is the coefficient of friction between box and incline?
A) A 50.0 kg box rests on a horizontal surface. The coefficients of static and kinetic friction between the box and the surface are 0.300 and 0.200, respectively. What is the friction force on the box if a horizontal 175 N push is applied to it? Explain. B) A horizontal force of 250 N is applied to the box. After the box moves a distance d from rest, the speed of the box is measured to be 6.4 m/s. use...
Two blocks slide down an incline angled at 30◦ above the horizontal, connected by a cable. The top block has a mass of m1 = 1 kg, and the bottom one has a mass of m2 = 2 kg. The coefficients of kinetic friction are µk1 = 0.2 (top block) and µk2 = 0.1 (bottom block). What is the tension in the cable that connects them? Please include force diagrams and components for forces where needed
An 18.0 kg box is released on a 30.0 ∘ incline and accelerates down the incline at 0.300 m/s2 . a) Find the friction force impeding its motion. b) How large is the coefficient of friction?
Part 2 After reaching the top of the incline, the box of mass 1 kg is released, and allowed to slide back down the hill of incline angle 0 20 At the halfway point, the surface of the incline becomes rough, and friction becomes important The coefficients of friction between the box and hill are μ-: 0.7 and μ.-0.5. 0 20 D. Draw a free body diagram for the object as it moves down the incline as it encounters the...
A 730 N force is applied to the 110 kg box. Determine the magnitude of the friction force F exerted by the horizontal sirface on the block. A 730 N force is applied to the 110 kg box. Determine the magnitude of the friction force F exerted by the horizontal surface on the block. 730 N 3 2 Mass = 110 kg Us = 0.65 MK =0.54
The force Pis applied to the 60-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P = 0. (b) P=227 N, and (c) P= 326 N. (d) What value of Pis required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are s = 0.23 and Uk = 0.18, respectively. The friction force is...
Mechanical Physics 1 A box is released from rest at the top of a ramp. The surface of the ramp makes an angle of 22.6degrees with the horizontal, and is rough; the coefficients of friction between the ramp and the box are plg = 0.400 0.250. What is the magnitude of the acceleration of the box? and pek