A boy pulls a sled with a force of 10 lb for 100 ft. The rope attached to the sled is at an angle of 30o above the horizontal. (a) How much work is done? (b) If the boy move the sled 100 ft in 45 seconds, find his power output in horsepower.

Q: A carton is pulled along the ground for a distance of 11 m. If the average frictional force is 57 N,…

A: Work done is defined as  W=F→·S→where F is the force S is the displacement Here the Frictional force…

Q: In a time t=17.00 s, a 66.0-kg student runs at a steady pace up two flights of stairs whose combined…

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Q: a worker pushes horizontally on a large crate with a force of 215 N, and the crate is moved 3.5 m.…

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Q: A worker pushes horizontally on a large crate with a force of 250 N, and the crate is moved 3.0…

A: A worker pushes horizontally on a large crate with a force of 250 N, and the crate is moved 3.0…

Q: If a person of mass 100.0kg climbs a 2.00m high set of stairs in 4.00s, how much work do they do?

A: Given data: The mass of person is m=100 kg. Height of stairs is h=2.00 m. Time taken is t=4.00 s.

Q: How much work is done when you apply a horizontal force of 47N to push a 35 kg box 8.0 meters down…

A: Given data:  Horizontal force (F) = 47 N Displacement (d) = 8.0 m Required: Work (W)

Q: How much work did the movers do (horizontally) pushing a 160-kg crate 10.3 m across a rough floor…

A: Since the crate is moving acceleration, the pusher must do a work to overcome the frictional force.…

Q: .How much work is done in lifting a 2-kg ball 0.5m high? Express your answer in a) joules and b)…

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Q: how much work did the movers do (horizontally) pushing a 46 kg crate 11.9 m across a smooth floor…

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Q: A person pulls a 10 kg luggage along a level road for 5 m by exerting a force of 20 N at an angle of…

A: Given Data : Mass of luggage, m= 10 Kg                      Force= 20N                      Vertical…

Q: How much work is done against gravity in lifting a 9 kg object through a vertical distance of 55 cm?…

A: Expression for force applied to lift the object -  F=mg Where m=Mass=9 kg  g=Acceleration due to…

Q: A 2kg crate sitting on a horizontal surface is pushed by a horizontally applied force of 8N. If it…

A: Given- Mass of crate m=2 kg Applied force on the crate F= 8N To find the work  done in the first 6…

Q: A worker pushes horizontally on a large crate with a force of 250 N, and the crate is moved 3.0 m.…

A: Given that the force applied by the worker on the crate is F =250 N. The distance moved by the crate…

Q: The handle of a vegetable wagon makes an angle of 35.0 degrees with the horizontal.if the peddler…

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Q: How much work does it take to slide a crate 26 m along a loading dock by pulling on it with a 240-N…

A: Given data: Displacement (d) = 26 m Force (F) = 240 N Angle between displacement and force (θ) = 27°…

Q: How much work is done by a 100N force if the box moves 4m. But the force is at an angle such that…

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Q: How much work is done lifting a 100 N barbell vertically 0.5 m?

A: The workdone in lifting a 100 N barbell vertically 0.5 m. given,Force(F)=100 Nheight(h) moved=0.5 m

Q: A box is pulled with a force of 35 N to produce a displacement of 9 m. If the angle between the…

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Q: How much work must be done by frictional forces in slowing a 1555 kg car from 13.3 m/s to rest?

A: Given Data: The mass of the car is: m=1555 kg The velocity of the car is: u=13.3 m/s The final…

Q: A hill is 100 m long and makes an angle of 12° with the horizontal. As a 50-kg jogger runs up the…

A: Given : Length of the hill, l = 100 m The hill makes an angle of 12 degrees with the horizontal.…

Q: In the event of tug-of-war, the CAS team pulls the SHS team by applying a force of 1500 N to the…

A: Given data: Force (F) = 1500 N Displacement (d) = 1.8 m Required: Work done (W)

Q: A horse plows a 150 m-long furrow in 7 min, exerting a force of 750 N. What is its power output,…

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Q: What is the work done by a man pushing a box with a 20 N force on a 3 m inclined plane 45° from the…

A: Given force of the box W = 20 N so the force applied P for moving 3 meter inclined plane…

Q: A worker pushes horizontally on a large crate with a force of 195 N, and the crate is moved 4.0 m.…

A: Given data: The applied force is F=195 N. The distance moved is s=4 m.

Q: A loadedcart has a total mass of 227 kg. If a 312 N force acting at an angle of pi/6 radian to the…

A: Force, F = 312 N Angle of action is θ=π6=30° Displacement is s = 15 m

Q: A box is pulled with a force of 75 N to produce a displacement of 13 m. If the angle between the…

A: We are allowed to answer only the first question. For solutions to other questions, please re-post…

Q: A gardener pushes a lawn roller through a distance of 35m. If he applies a force of 30N in a…

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Q: A girl pushes her little brother on his sled with a force of 300 N and does work of 600 J. How far…

A: Given  Girl pushes his brother with the force F = 300 N. Work Done W = 600 J We know the expression…

Q: A horse pulls a carriage a distance of 76.5 m, Find the force applied if the horse did 5000 J of…

A: Given data: Distance covered is, d=76.5 m. Work done by horse is, W=5000 J.

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor…

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Q: How much work is done by gravity in causing a 45-kg rock to tumble 54 m down a slope at an angle of…

A: mass of the rock, m = 45 kg distance that rock travels, d = 54 m angle of slope with vertical,= 48…

Q: A box is pulled with a force of 65 N to produce a displacement of 12 m. If the angle between the…

A: Given, Force F = 65 N Displacement d = 12 m Angle θ = 38 degree

Q: How much work does a sled dog do if she pulls with a force of 55 N on a horizontal track over a…

A: Here, Force and displacement are in the same direction, Therefore, Work done= Force x Distance…

Q: What is the average power needed to move a 1000 kg car from rest in 7 seconds at a rate of 4 m/s^2?

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Q: How much work (in J) is done in raising a 44.9 kg crate a distance of 1.5 m above a storeroom floor?

A: Given : Mass of crate is 44.9 kg             Distance is 1.5 m above a storeroom floor

Q: A 2 kg crate sitting on a horizontal surface is pushed by a horizontally applied force of 8N.  If it…

A: From Newton’s second law of motion, determine the acceleration of the crate as follows. ∑F=maa=∑Fm=8…

Q: If you push a car with a force of 600 N on a level driveway for 15 m, how much work do you do on…

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Q: How much work is performed in steadily dragging a sled 20 m horizontally when the force of 80 N is…

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Q: A horizontally directed force of 10 N is used to pull a box a distance of 2.6 m across a tabletop.…

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Q: m above the groun

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Q: In the absence of friction, how much work would a child do while pulling a 12kg wagon a distance of…

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Q: A pallet is pulled 125 m across a floor by a cable that makes an angle of 45° with the floor. If…

A: Given data:  Distance (d) = 125 m Angle (θ) = 45°, with the horizontal Force (F) = 1150 N Required:…

Q: A man pushes a lawn mower on a level lawn with a force of 187 N. If 43% of this force is directed…

A: Work done  W = Force * displacement Force must be in direction of displacement.

Q: A force of F = 161 N pulls a mass of 15 kg a distance of x = 5.7 m, as shown. How much work is done…

A: Given,            force (f) =161N            distance (d) = 5.7 m

Q: A worker pushes horizontally on a large crate with a force of 230 N, and the crate is moved 3.6 m.…

A: An applied force by a worker, F=230 N   The distance moved by a crate, d=3.6 m

Q: Suppose that 2 J of work is needed to stretch a spring from its natural length of 32 cm to a length…

A: The original length of the spring,