25. A man is standing on a platform that is connected to a pulley arrange- ment, as the drawing shows. By pulling upward on the rope with a force P the man can raise the platform and himself. The total mass of the man plus the platform is 94.0 kg. What pulling force should the man apply to create an upward acceleration of 1.20 m/s²? Ceiling Platform

Q: Two boxes are attached via a rope and pulley system, as shown in the figure. Box B has a mass of 2.0…

A:

Q: A 1.30-kg toaster is not plugged in. The coefficient of static friction between the toaster and a…

A:

Q: The smiley face weighs 18.2 kg: 1. What is the magnitude of the total force (in N) acting on the…

A:

Q: A block with mass mp = 6.75 kg is suspended on a string. You pull upwards on the string creating a…

A: Given value--- mass = 6.75 kg. tension = 70.9175 N. initial speed = 3.25 m/s. time = 2.5 second .…

Q: 8. A block is at rest on a rough inclined plane and is connected to an object with the same mass as…

A: Given data: Block of mass m rest on inclined plane And an another block of mass m connected by…

Q: In a Physics lab, Nene and Nono apply a rightward force to a 4.52-kg cart to accelerate it across a…

A: The cart=4.52kg  The friction between the cart and the floor is 0.43

Q: Three forces given by F, = (6î + 2)N,F2 = ( î – 3j)N, and F3 = (3 f)N, act on an object to give it…

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Q: 40. Analyze the system of forces on the 1.0-kg mass below and determine the acceleration. ty F2 = 6…

A: Given: F1=12 N along -x axisF2=6N at 60° clockwise from  -x axism=1 kg

Q: We rest our calculator on a physics book; the surfaces have coefficients ?s = 0.45 and ?k = 0.25.…

A:

Q: Using a piece of graph paper, determine what force is needed to balance a force of 4 N at 0.0…

A: It can be seen below, the the 4 N forces are opposite in sign and equal in magnitude, which means…

Q: A block with mass m sits on a frictionless plane inclined at angle θ, as shown in the figure. If the…

A: In this question  we use free body diagram.

Q: 7. Tarzan prepares to swing and much to his dismay, gets his loincloth stuck on a branch. He's left…

A: Here, we draw the free body diagram of Tarzan and show the vertical and horizontal components of all…

Q: 4. Two blocks, each with a mass of 2.0 kg. The ramp has a horizontal angle of 40 degrees. The…

A: The free body diagram with all forces are shown in the figure below:   Here Fr is friction, a is…

Q: 4. The roller coaster 'Scream' at Six Flags Magic Mountain has a vertical circular loop. After a…

A: Given Data: Drop height, h=141 ft. Loop radius, r=64 ft. Tangential velocity associated with the…

Q: Determine the tension in Cable OC. b 6280 lb d 195 lb a 1910 lb c 6.06 lb

A: Given that: The position coordinate of point O (0,0,0) Position coordinate of C (-3,-4,12) ft

Q: 3. Pushing Suitcases: You are pushing two suitcases across the floor as shown below. The masses of…

A:

Q: A garden spider of mass 0.0000825 kg hangs motionless from its web. a. Calculate the tension, in…

A:

Q: A pig has weight 500 N. It stands on a scale in an elevator, which reads 530 N. Which is correct? A.…

A: Given,  Actual Weight, W = mg = 500 N  Apparent weight A = 530 N

Q: 4. A 120 kg scaffold is 5.60 m long. It is hanging with two wires, one from each end. A 460 kg box…

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Q: 2. A 1,480-N crate is being pushed across a level floor at a constant speed by a force F of 370 N at…

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Q: A 2500 kg meteorite falls toward the earth. What is the magnitude of the earth's acceleration just…

A: Mass of meteorite ( m ) = 2500 kg  Mass of earth ( M ) = 5.98 * 10 24  kg

Q: cted by ropes, as depicted in Figure 1. The coefficient of kinetic friction between m1 and m2 is…

A: Given: The Mass of Block 1 (m1)=2 kg The Mass of Block 2 (m2)=3 kg The Mass of Block 3 (m3)=10 kg

Q: A child of mass 43 kg stands on a scale inside an elevator. Select one or more: A. The scale…

A: Consider the acceleration of the elevator be a, and the speed of the elevator be v. Apply Newton’s…

Q: Q3. The refrigerator has a weight of 80 kg and rests on a tile floor for which u=0.25. also the man…

A:

Q: 1. A box of mass m, 2.5 kg rests atop a box by a 95 N force and slides with friction (p of mass m₂ =…

A:

Q: A cord passing over a pulley connects two masses, as shown, where m, = 4.10 kg and m, = 8.10 kg. The…

A: Using Newton's second law of motion  The net external force on the object is equal to mass times the…

Q: 2. Box 1 (m₁ = 1.8 kg) sits on a frictionless surface that is inclined at an angle from horizontal.…

A: This is a question regarding the effect of various forces on a system of bodies. Newton's 2nd law of…

Q: 5. Two 20kg carts are attached to opposite ends of a cable. Each cart is on a different side of an…

A: The mass of the first cart, m1=20 kg The mass of the second cart, m2=20 kg The inclination of the…

Q: Two forces are simultaneously acting on a 4.0 kg object on top of a frictionless surface. The forces…

A: In the free body diagram we can see that 16 N   force is acting along   X- axis .  So we can resolve…

Q: The figure shows a block of mass m resting on a 41° slope. The block has coefficients of friction μg…

A: