A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 1.20 m/s2.a. What is the magnitude of the normal force of the elevator floor on the dog?A. 34 N            B. 43 N          C. 49 N            D. 55 N            E. 74 Nb. What is the magnitude of the force of the dog on the elevator floor?A. 4.2 N          B. 49 N            C. 55 N           D. 43 N             E. 74 N

Q: Zach, whose mass is 70 kg, is in an elevator going up at a constant speed of 2.0 m/s. Match the…

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Q: 4. A mass m is on a frictionless incline that makes an angle 0 with the horizontal. Let m = 25.0 kg…

A: Given,mass of the block, m = 25.0 kgθ = 30.0°

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A: The magnitude of the friction force is given as f=450 N

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Q: A 12.1-kg box starting at rest on a horizontal floor is acted on by a net horizontal force of 6.05…

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Q: 32. Kinetic friction VARIES also like static friction. A. True B. False C. It depends   45. A…

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Q: D

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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: A 60 kg block is pushed by a horizontal force causing the block to accelerate by 1 m/s2. The block…

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Q: An 80.0-kg person rides in an elevator while standing on a scale. The elevator is travelling…

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Q: A mango weighing 3 N is at rest on your head. What is the net force on the mango? a. Zero  b. 3 N,…

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Q: 2. Determine the force exerted by the floor on you. c. 4371.72 N а. 4271.72 N b. 4171.72 N d.…

A: Comment: Since we only answer up to  1 question, we’ll answer the 1st question only. Please resubmit…

Q: tangular block of mass 10 kg is allowed to slide down a rough slope which is inclined at an angle of…

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Q: A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

A: Given: Weight of the rock is 25N, then the mass of rock m=25g=2510=2.5 kg      where g= accleration…

Q: A 100 N steel ball is suspended from the ceiling using a light rope. The tension in the rope is…

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Q: A 85 kg bicyclist is traveling at an acceleration of 3.7 m/s². If friction applies 25 N of force,…

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A: The solution is given below. I don't see any correct option given

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Q: 7. Answer each of the following questions if the student applied a 550N force to a 100kg box on the…

A: Given data: The force, F=550 N The mass, m=100 kg

Q: A kinetic friction between the 10-kg box and horizontal plane is 0.30. A string is used to pull the…

A: Given: Mass of box, m=10 kg Coefficient of kinetic friction between box and horizontal plane, μ=0.30…

Q: Find the acceleration of a 4.0 kg box sliding across a level floor if it is being pulled forward by…

A: the net force on the box in the horizontal direction is Fnet,x=Tcosθ-f=20 Ncos60°-4 N=6 N

Q: A 5.0 kg object is to be given a downward acceleration of 0.30 meter per second squared with a rope…

A: Given  Mass of object,M = 5.0 kg  Acceleration = A = 0.3 m/s2 (downward)  Rope supporting it…

Q: A girl of mass 40 kg skis down a slope. The incline is at an angle of 30° with the horizontal. If…

A: Given  Mass of girl m=40 kg angle of incline θ=30 Coefficient of kinetic friction μk=0.2

Q: A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The…

A: Given data     The mass of the blocking sled, m = 60 kg Let F be the required force.

Q: A body has a weight of 400N at standard earth’s gravity of 9.806 m/s². When a force of 800N is…

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Q: Given a block which is at rest on a perfectly flat smooth table with no friction. You push with your…

A: Correct Answer- B) 6.00 m/s2

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Q: A 100 kg go-kart travels at a velocity 2 m/s and then quickly stops in 8 seconds to avoid an…

A: Here, a=∆v∆t=0m/s-2m/s8s=-0.25m/s2

Q: A 20.0 kg block is placed on an incline that makes an angle of 30.0°. A man pushes up on the block…

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Q: A woman driving a 2000 kg car at 15 m/s fully applies the brakes 50. m from a stoplight. If the car…

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Q: Two masses are connected by a string and pulled along a frictionless surface by another string to…

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Q: A block with mass of 5.0 kg is held in equilibrium (zero net force) on an incline of an angle of θ =…

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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: A horizontal force of 95.0 N is applied to a 60.0 kg box on a rough, level surface. If the crate is…

A: Given data:  Horizontal force (F) = 95.0 N Mass (m) = 60.0 kg Acceleration (a) = 1.20 m/s2 Required:…

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Q: An elevator cab is moving downward by a cable. The total mass of the cab is 1950 kg. Find the…

A: Since the cab move with constant speed so the tension in the string is  T=mg  m=1950kg g=9.8 m/s2

Q: If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the edge…

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Q: The block shown is pulled across the rough horizontal surface at a constant speed by the force…

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