A cart with mass of 20 kg is pushed horizontally by a man at a constant velocity. He performed work of 4000 J, and the cart traversed a distance of 50 m. What is the total resisting force of this motion?

Q: A father is pulling his  son on a sledge with a 120 N force at an angle of 45 degrees with the…

A: Given Amount of force is F=120 N Angle  is θ=45 degrees with the horizontal Work done is W=400 J

Q: The diagram shows a crate with mass m = 38.2 kg being pushed up an incline that makes an angle φ =…

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Q: A 2 kg object slides across a horizontal surface with an initial speed of 6.53 m/s. If the object…

A: Given that,Mass of object : m = 2 (kg)Initial velocity : v=6.53 m/sec     Here we need to find the…

Q: An object undergoes a displacement Ar =5i+2j. During the displacement, a constant force F = 3i -1j…

A: The work done by the force is given by  W= F→ . r→ where, F is the force and r is the displacement…

Q: An archer pulls a bow string back 0.40 meters by exerting a force that increases linearly from zero…

A: Given: The extension in the string is 0.40 m. The force exerted by the string is 460 N.…

Q: A man pulls a box with a rope that is at a 45° angle relative to the ground. What is the work being…

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Q: A constant 81.8-N force acts on a 3.70-kg box. The box initially is moving at 11.3 m/s in the…

A: Applying Work-Kinetic Energy theorem:- Work done by the force(W)=Change in KE of the object Hence,…

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: Given that,The time : t = 1.5 (sec)The mass of block : m = 28 (kg)The displacement of the block…

Q: A dockworker pushes a box along a horizontal floor and moves a distance of 4.6 m with a force F…

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Q: A car of mass 1078 kg moves up a mountain road with the help of a nonconservative force that does…

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Q: A 1800-kg elevator moves upward with constant speed through a vertical distance of 28 m.…

A: GivenMass of elevator ,m=1800 kgvertical distance travelled ,d=28 m

Q: A 82.5-kg man pushes a crate 4.5 m up along a ramp that makes an angle of 19.5° with the horizontal.…

A: The objective of the question is to calculate the work done by the man to move the crate and himself…

Q: A shopper pushes a grocery cart 19.2 m  on level ground, against a 16.3 N frictional force. The cart…

A: W=work done by pushing force=friction work done +increase in KE

Q: A 700 N person walks up 10 stairs, each of height 30 cm. How much work was performed by the person?

A: Given value--- weight of person = 700 N. height of each stair = 30 cm. number of stairs = 10 . We…

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

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Q: A 1.5 kg object slides across a horizontal surface with an initial speed of 6.84 m/s. If the object…

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Q: A 2.1 kg object slides across a horizontal surface with an initial speed of 5.77 m/s. If the object…

A: Mass (m) = 2.1kgInitial velocity (Vi) = 5.77 m/sFinal velocity (Vf) = 0 m/sRequired:Work done by…

Q: A block of mass 2 kg  attached to a spring lies on a flat surface.    When the block is pulled 5 cm…

A: Given values -  Mass of block = m = 2 kg  Displacement = 5 cm = 0.05 m Force = 270 N  According to…

Q: A 1.5 kg object slides across a horizontal surface with an initial speed of 5.61 m/s. If the object…

A: Given data:  Mass (m) = 1.5 kg Initial velocity (Vi) = 5.61 m/s Final velocity (Vf) = 0 m/s…

Q: helicopter lifts a 80 kg astronaut 17 m vertic (a) How much work is done on the astr (b) How much…

A: GivenMass of Astronaut, m=80 kgDistansed moved vertically, d=17 mAcceleration of Astronaut, a=g10

Q: A person pulls a toboggan for a distance of 30 m along the snow with a rope directed 350 above the…

A: Given data: Distance moved by the toboggan, d=30 m Angle of the rope with horizontal, θ=350 Tension…

Q: a crate with a mass of 155 kg starting from rest, slides down a ramp making an angle 32 degrees with…

A: Given data: Mass of the crate m=155 kg Angle θ=32° length of the ramp l=6m Frictional force F =200N

Q: A 1.8 kg object slides across a horizontal surface with an initial speed of 6.77 m/s. If the object…

A: Mass (m) = 1.8 kgInitial velocity (Vi) = 6.77 m/sFinal velocity (Vf) = 0 m/sRequired:Work done by…

Q: A truck of mass 900 kg starts with an initial velocity of 2.00 m/s and travels in a straight line…

A: Mass of the truck,

Q: A 2 kg object slides across a horizontal surface with an initial speed of 6.53 m/s. If the object…

A: Given- Mass of object m= 2kg Initial velocity v=6.53 m/s

Q: A physics professor tries to barricade himself in his office by pushing a 30 kg desk in front of the…

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Q: A rare and valuable antique chest is being moved into a truck using a 3.000 m long ramp. The weight…

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Q: A 2.4 kg object slides across a horizontal surface with an initial speed of 7.6 m/s. If the object…

A: SOlution: Given that m = 2.4 kg v = 7.6 m/s

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

A: (given)       Mass of an asteroid = 4.5×104 kg Initial speed of asteroid = 7400 m/s  Final speed of…

Q: Several children are on a sled pulled by a four-wheeler across a level snow-covered field. The sled…

A: Distance traveled by the sled is d= vt     =( 9.35 m/s)(10.5 s)     = 98.175 m

Q: A body of mass 9.0 kg initially at rest is moved by a horizontal force of 27 N on a frictionless…

A: SOlution: Given that m = 9 kg F = 27 N t = 4 s find the work done

Q: The driver of a 1750 kg car, initially traveling at 10.6 m/s applies the brakes, bringing the car to…

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Q: A hummingbird is able to hover because, as the wings move downward, they exert a downward force on…

A: Given data: The wings move through a distance =2.9 cm The wings beats = 85 times per second The mass…