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°

Q: 10. The pilot of an airplane has a mass of 70 kg. She directs the plane into a vertical circle (r =…

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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: he tension if a wrecking ball with a mass of 56.7kg is hanging and in a state of equilibrium? A.…

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Q: 02 T3 M

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Q: How much force must be applied in order for a 1200 kg car to maintain a velocity of 4 m/s in a…

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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

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Q: A 1.5 kg toy car is moving with two forces on it. A 28 N forward force by the motor and a 15 N…

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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: A typical car weighs about 1000 kg. An average person can push with a force that is about half the…

A: Given:-  The mass of the car is m = 1000 kg  The force applied by  the person on a car is F = 500  N…

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 140N horizontal force is needed to pull a 60.0kg box across the horizontal floor at constant…

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

A: Given Data  Mass of bicyclist =85Kg Acceleration of body = 3.7m/s² Friction acting on body f = 25N…

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A: Given: The mass of the object is 5 kg. The acceleration of the object is 0.3 m/s2 downward.

Q: d. Cannot be determined How much horizontal force must a girl apply to a 50 kg cabinet to accelerate…

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Q: A 403.280 kg car is traveling down a 25-degree slope. At the instant that the speed is 13 m/s, the…

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

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A: According to Newton's 2nd law of motion, force F acting on mass m moving with acceleration a is…

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 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 25 kg block is suspended to a piece of string attached to the ceiling. The block is approximately…

A: according to the given problem when a block is hanged from the string it will experienced two types…

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. How does the change in coefficient of friction affect the frictional force and tension? I. more…

A: (A) The frictional force is proportional to the coefficient of friction and the tension force is…

Q: An elevator suspended by a vertical cable is moving downward but slowing down. The magnitude of…

A: Solution Q9: As the elevator moving downward and slowing down, this means the elevator decelerating…

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

A: Given data: Mass (m) = 2000 kg Initial velocity (v0) = 15 m/s Final velocity (Vf) = 0 m/s Brakes…

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…

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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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Q: A moving object, that is accelerating at a rate of 3 m/s^2, is experiencing a 10 N frictional force…

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Q: If the net force acted upon an object is equal to zero, then its acceleration is equal to ________.…

A: 2. Option (c) zero m/s2  The reason is that if the net force on an object is equal to zero, then…

Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: How much weight would a 165 kg register if the local acceleration due to gravity is 6.31 m/s2?…

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Q: Given a block which is at rest on a perfectly flat smooth table. You push with your hand…

A: Given Mass m = 2.00 kg Acceleration a = 5.00 m/s2