i need help please I Review | ConstantsThe 1.0 kg block in the figure is tied to the wall with arope. It sits on top of the 2.0 kg block. The lower blockis pulled to the right with a tension force of 20 N. Thecoefficient of kinetic friction at both the lower and uppersurfaces of the 2.0 kg block is uk = 0.45.(Figure 1)What is the tension in the rope holding the 1.0 kg block to the wall?Express your answer with the appropriate units.µA?Figure1 of 1ValueUnitsSubmitRequest AnswerPart B1.0 kg20 NWhat is the acceleration of the 2.0 kg block?2.0 kgExpress your answer with the appropriate units.HA?ValueUnits

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Answered: I Review | Constants The 1.0 kg block…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.2: Friction

Problem 19PP

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Similar questions

Two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kg. If they pull in the same direction, the boat has an acceleration of 1.52 m/s2 to the right. If they pull in opposite directions, the boat has an acceleration of 0.518 m/s2 to the left. What is the magnitude of the force each person exerts on the boat? Disregard any other horizontal forces on the boat.
A student is attempting to move a 30-kg mini-fridge into her dorm room. During a moment of Inattention, the mini-fridge slides down a 35 degree incline at constant speed when she applies a force of 25 N acting up and parallel to the Incline. What is the coefficient of kinetic friction between the fridge and the surface of the incline?
A box of mass ?=24.5 kg is pulled up a ramp that is inclined at an angle ?=19.0∘ angle with respect to the horizontal. The coefficient of kinetic friction between the box and the ramp is ?k=0.345 , and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of ?=2.09 m/s2, calculate the tension ?T in the rope. Use ?=9.81 m/s2 for the acceleration due to gravity.
** I am confused on this being below the horizontal. Is that making Fy a negative? If so, would that then affect the calculation for normal force? A box (M = 4 kg) is resting on a frictionless horizontal surface. Then there is a 25 Newton force acting onit at an angle 35 degrees below the horizontal.1. Find the horizontal component of the force, Fx - I have Fcostheta so 25cos35 = 20.479 N2. Find the vertical component of the force, Fy - I don't know if this should be 25sin35 or 25sin(-35) 3. Find the normal force acting on the box - Fn = mg - Fy (but I do not understand if this is going to be a positive or negative Fy, obviously negative would make this mg + Fy)4. Find the acceleration of the box5. Find the distance it will travel in 3 seconds.
A 140 kg wooden crate resting on a wood floor. The coefficients of stattic and kinetic friction here are μs =0.5 and μk=0.3. WHat maximum force, in newtons, can you exert horizontally on the crate without moving it? If you continue to extert this force once the crate starts to slip, what will its accelertation be in m/s2?
A ?=1.55 object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a ?W=13.5 horizontal force. Find the magnitude of the tension in the rope and the rope's angle from the vertical. The acceleration due to gravity is ?=9.81.
What is the tension in the upper rope at point B ? At the zoo, two monkeys weighing 24.0 N each are playing on a rope-and-pulley system. If the lower rope is attached to a weight of mass m = 18.0 kg. What is the tension in the upper rope at point B?
A 72.0 kg sprinter starts a race with an acceleration of 2.40 m/s2. What is the net external force (in N) on him? (Enter the magnitude.)
Tim pushes a 195kg lawnmower with a force of 850N at an angle of 35 degrees with respect to the horizontal. If it accelerates along the level grou D at 2.90 m/s2, what is the coefficient of Kinetic Friction between the mower and the ground.
A 40.0 Kg box is being pulled along a rough horizontal lable at constant velocity. The pulling force is P.= 150 N acting at an angle of 30 as shown. What is the normal force on the box?
A car engine of weight 10N hangs from a chain that is linked at ring O to two other chains, one fastened to the ceiling and the other to the wall. Find the tension T2.
A 1.30-kg toaster is not plugged in. The coefficient of static friction between the toaster and a horizontal countertop is 0.350. To make the toaster start moving, you carelessly pull on its electric cord. a. For the cord tension to be as small as possible, you should pull at what angle abive the horizontal? b. With this angle, how large must the tension be?

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