The suspended 2.41 kg mass on the right is moving up , the 2.1 kg mass slides down the ramp and is on an inclined 34 degrees from the horizontal, and the suspended 7.8 kg mass on the left is moving down. There is friction between the block and the ramp, the coefficient of static friction is 0.17. The acceleration of gravity is 9.8 m/s2. The pulleys are massless and frictionless. What is the acceleration of the three block system?

The suspended 2.41 kg mass on the right is moving up , the 2.1 kg mass slides down the ramp and is on an inclined 34 degrees from the horizontal, and the suspended 7.8 kg mass on the left is moving down. There is friction between the block and the ramp, the coefficient of static friction is 0.17. The acceleration of gravity is 9.8 m/s2. The pulleys are massless and frictionless. What is the acceleration of the three block system?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 35PQ: A black widow spider hangs motionless from a web that extends vertically from the ceiling above. If...

See similar textbooks

Similar questions

A rope pulls on the lower block in the figure with a force of 46.2 N. The coefficient of kinetic friction between the lower block and the surface is 0.1. The coefficient of kinetic friction between the lower block and the upper block is also 0.1. Consider the pulley/ropes to be massless and frictionless. The upper block's mass is 2.5 kg. The lower block's mass is 4 kg. What is the acceleration of the lower block? Express your answer in m/s2. Your result must contain at least one digit after the decimal point
A 17 kg block rests on a 32 degree inclined frictionless surface and is attached by a light string to a 34 kg hanging mass where the string passes over a massless frictionless pulley. If g = 9.8 m/s2, what is the tension in the connecting string?
A 0.152 kg ball is attached to a string that is 62.2 cm long. The string will break if subjected to a tension force of 4.8 N. If a small child swings the ball in a horizontal circle around her head, at what velocity will the string break?
A mass is suspended from the ceiling in an elevator by a heavy rope. The mass is 80 kg and the mass of the rope is 2 kg. If the breaking strength of the rope is 1000 N, what is the maximum acceleration of the elevator such that the rope will not break?
You are pushing a metal crate against a metal floor. The two surfaces have a static coefficient of friction of 0.62 and a kinetic coefficient of friction of 0.50. The floor is horizontal, and the crate has a mass of 25.0 kg. What is the minimum force you need to apply to get the crate moving from rest? Give your answer in units of N, to three significant figures.
A box rests on top of a flat bed truck. The box has a mass of m = 20 kg. The coefficient of static friction between the box and truck is u, = 0.81 and the coefficient of kinetic friction between the box and truck is Hk = 0.62. 1) The truck accelerates from rest to v; = 16 m/s in t = 12 s (which is slow enough that the box will not slide). What is the acceleration of the box? m/s Submit You currently have O submissions for this question. Only 5 submission are allowed. You can make 5 more submissions for this question. 2) In the previous situation, what is the frictional force the truck exerts on the box? N Submit You currently have 0 submissions for this question. Only 5 submission are allowed. You can make 5 more submissions for this question. 3) What is the maximum acceleration the truck can have before the box begins to slide? m/s Submit You currently have O submissions for this question. Only 5 submission are allowed. You can make 5 more submissions for this question. 4) Now the…
A tractor is speeding up at 3 m/s/s while pulling a 691 kg sled with a rope at an angle of 23 degrees. The coefficient of kinetic friction between the sled and ground is 0.5. What is the tension (Newtons) in the rope? (g=9.8 m/s2 )
A wrecking ball weighing 2500 N hangs from a cable. Prior to swinging, it is pulled back to a 20° angle by a second, horizontal cable. What is the tension in the horizontal cable?
A child pulls a 20 kg sled with a rope that makes an angle of 30° with the ground. The tension in the rope is 60 N. The coefficient of friction between the sled and the snow is 0.1. What is the acceleration of the sled?
A 12.1 kgkg box sits on a horizontal table. A string with tension 30.6 NN pulls on the box to the right, but static friction between the box and the table prevents the box from moving. The coefficient of static friction between the box and the table is 0.43. What is the magnitude of the static friction force on the box?
Mary applies a force of 71 N to push a box with an acceleration of 0.41 m/s². When she increases the pushing force to 76 N, the box's acceleration changes to 0.65 m/s². There is a constant friction force present between the floor and the box. (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box?
Mary applies a force of 71 N to push a box with an acceleration of 0.45 m/s2. When she increases the pushing force to 79 N, the box's acceleration changes to 0.63 m/s2. There is a constant friction force present between the floor and the box. (a)What is the mass of the box in kilograms? ?kg (b)What is the coefficient of kinetic friction between the floor and the box?