Block A and block X are attached to a rope that passes over a pulley, as shown in the figure. A force Pis applied horizontally to block A, keeping it in contact with a rough vertical face. The pulley is light and frictionless. The mass of block X is adjusted until block A moves upward with an acceleration of a. rough Hs= 0.40 H= 0.30 X By applying Newton's laws of motion, write the system of 3 equations that describe the motion of this system.

Block A and block X are attached to a rope that passes over a pulley, as shown in the figure. A force Pis applied horizontally to block A, keeping it in contact with a rough vertical face. The pulley is light and frictionless. The mass of block X is adjusted until block A moves upward with an acceleration of a. rough Hs= 0.40 H= 0.30 X By applying Newton's laws of motion, write the system of 3 equations that describe the motion of this 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 68PQ

See similar textbooks

Similar questions

(a) Find an equation to determine the magnitude of the net force required to stop a car of mass m, given that the initial speed of the car is v0 and the stopping distance is x . (b) Find the magnitude of the net force if the mass of the car is 1050 kg, the initial speed is 40.0 km/h, and the stopping distance is 25.0 m.
10.3 K/s ll. docs.google.com/forms O Mass MA = 8 kg rests on top of mass MB = 4 kg that rests on a bläi 6 frictionless table. The coefficient of friction between the two blocks is such that the blocks just start to slip when the horizontal force Fapplied to the lower block is 27 N. Suppose that now a horizontal force is applied to the upper block. What is its maximum value for the blocks to slide without slipping ?relative to each other S kg 4 kg F N 54 0.3 0.2 ='F =f 21 ...
You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 49 km/h (30 mph). A new model of mass 1700 kg takes 0.17 s from the time of impact until it is brought to rest. Calculate the average force exerted on the car by the barrier. Express your answer using two significant figures. —| ΑΣΦ F = Submit Part B Request Answer Calculate the average deceleration of the car. Express your answer using two significant figures. a = VO ΑΣΦ ? ? N m/s²
A system of block is shown in figure SORBFT-003. Assume the pulley is frictionless. Coefficient of friction is 0.20 4. What is the least value of P required to prevent the system of block from sliding? 5. What is the least value of P required to cause the system of blocks to have an impending motion to the right? 6. What is the reaction at the pulley if the system of blocks is to have an impending motion to the right? 40° 300N SORBFT-003 A 200N P
Ch 04 HW roblem 4.07 Part A F = What average force is required to stop a 1600 kg car in 9.0 s if the car is traveling at 80 km/h? Express your answer to two significant figures and include the appropriate units. Enter positive value if the direction of the force is in the direction of the initial velocity and negative value if the direction of the force is in the direction opposite to the initial velocity. μA Value Submit Request Answer rovide Feedback Units ? 23 of 28 MacBook Air Review I Constants Next >
Calculate the final speed of the 2.00-kg object that is pushed for d =25.0 m by the F = 50.0 N force on a level, frictionless floor (see the figure below). Assume the object starts from rest. V = ? 2 kg at rest $20° F d 2 kg 1) Calculate the final speed. (Express your answer to two significant figures.) S
A block with a mass (m) of 74.7 kg slides along a horzontal surface. the coefficent of kinetic friction is .31. THe block has an ititial speed (v0) at 11.6m/s in the positive direction. 1) write and expression for the x component of the frictional force of the block experiences Ff in terms of the given variables and variables avaible. 2) what is the magnitude of the frictional force? 3) how for will the block travel before coming to rest.
(Figure 1) shows a F = 6.4 N force pushing two gliders along an air track. The 170 g spring between the gliders is compressed. Assume the force Facts and the whole system moves in the same direction. The spring does not sag. Figure F A 400 g m B 600 g 1 of 1 Part A How much force does the spring exert on glider A? Express your answer to two significant figures and include the appropriate units. F = Submit Part B F = O Submit Value Request Answer How much force does the spring exert on glider B? Express your answer to two significant figures and include the appropriate units. μA Value Units Request Answer ? Units ?
The height of a ball is thrown straight up sith a certain force is a function of the time (t) from which it is released given by f(t)=-0.5gt2+40t (where g is a constant determined by gravity). a. How does the value of t at which the height of the ball is at a maximum depend on the parameter g? b. Use your answer to part (a) to describe how maximum height changes as the parameter g changes. c. Use the envelope theorem to answer pare (b) directly. d. On the Earth g=32, but this value varies somewhat around the globe. If two locations had gravitational constants that differed by 0.1, what would be the difference in the maximum height of a ball tossed in the two places?
An object with a mass of 1.76 kg is initially at rest upon a horizontal, frictionless surface. An applied force of 3.04 N i acts on the object for 2.08 s. What is the object's final speed? Enter a number rounded to 2 decimal places and assume the answer has proper SI Units.
The figure shows a system in equilibrium, composed of three bodies connected through an ideal rope that passes through a pair of pulleys, also ideal. Consider that there is no friction in the entire system. Draw the Free Body Diagram (FBD) of each body and write the system of equations that describe the system. Joog
The 1.1 kg physics book in figure is connected by a string to a 250 g coffee cup. The book is given a push up the slope and released with a speed of 2.5 m/s. The coefficients of friction are us = 0.50 and μk = 0.20. (Figure 1) = Figure 20⁰ 1 of 1 How far does the book slide? Express your answer with the appropriate units. .320 Submit Part B µA X Incorrect; Try Again Submit m Previous Answers Request Answer stick to the slope slide back downhill At the highest point, does the book stick to the slope, or d ? Previous Answers Correct Provide Feedback