A 2kg crate sitting on a horizontal surface is pushed by a horizontally applied force of 8N. If it starts from rest, how much work is done in the first 6 seconds?

Q: How much work must be done to stop a 925 kg car traveling at 95 km/h?

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Q: What is the work done by the force pulling a block 1 meter with two 0.5 kg masses on it?

A: We know, Workdone=Force ×displacement

Q: How much work is done by a shopper in pushing her grocery cart by a force of 55 N through a distance…

A: Given value--- Force = 55 N. distance = 80 cm. We have to find--- Work done.

Q: When you lift a box with a mass of 350 kg to a height of 2.5 meters, how much work have you done?

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Q: A 50 N block is raised 2 m. If the net work done on the block is 50 J, what is the applied force on…

A: Given that                The weight of the block is (F) = 50N                 Height of the block…

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: 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: A 1400kg car accelerates from 5 m/s to 25 m/s .Then net work done by the car is?

A: Given Mass m = 1400 kg Initial velocity u = 5 m/s Final velocity v = 25 m/s

Q: A man pushes a cart with a constant force of 200 N at an angle 30° above the horizontal. If he does…

A: given applied force on cart F = 200 N at an angle 300 above the horizontal. hence Horizontal force…

Q: How much work is done by you when you lift a 9.0 kg object 71 cm off of the ground?

A: Given : Mass of object (m) = 9 kg Height (h) = 71 cm = 0.71 m

Q: How much potential energy does a car gain if a crane lift the car with a mass of 1500 and 20 m…

A: Mass of the car is (m)=1500kg  Height (h) = 20m Acceleration due to gravity (g) = 9.8 m/s2

Q: A student walks 58 m through the school halls wearing a 6 kg backpack on her back. How much work, in…

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Q: A 100 N box is slid on a horizontal frictionless surface by applying a 33 N force parallel to the…

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Q: if you do 20 J of work lifting a rock weighing 30 N, how far will you lift it?

A: Write the given values with the suitable variables. W=20 JP=30 N Here, W is the required work and P…

Q: A student throws the same ball straight upward to a height of 7.50m. How much work did the student…

A: Work done(W) is given by:- W=mgh  Where, m=mass of the ball= g=acceleration due to gravity=9.8m/s^2…

Q: How much work does Khalil perform in pushing a 35 Newtons crate a distance of 4 meters?

A: Given ,            force needed to push  crate (F) = 35 N            displacement in the direction…

Q: A heavy rope, 50 ft long, weighs 0.5 lb/ft and hangs over a building 120 ft high. How much work is…

A:

Q: How many joules of work are done on a box when a force of 25 N pushes it 3 m? a 1J b. 3 J c. 8 J 275…

A: Given : Force (F) = 25 N Displacement (d) = 3 m

Q: How much work is done in ergs in pulling a box 2 m across a table top with a force of 20 N in…

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Q: How much work is needed for a 75-kg runner to accelerate from 3.2 m/s to 5.2 m/s?

A: Given:             Mass of runner M=75kg           Accelerates from 3.2 m/s

Q: A student walks 58 m through the school halls wearing a 6 kg backpack on her back How much work, in…

A: We know work done is W= FScos (theta) where F is force  S is displacement  theta is angle between…

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 student walks 89 m through the school halls wearing a 5 kg backpack on her back. How much work, in…

A: Given Mass m = 5 kg Displacement d =89 m

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: How much work is done by lifting a 50kg box onto a 2.5 m high ledge?

A: Given conditions ⇒ Mass = 50 kg. Distance travelled upwards = 2.5 m. Acceleration due to gravity =…

Q: How much work (in ft. lb.) is done by a large bucket that can lift 4.5 tons of dirt 14 ft into the…

A: Given: How much work (in ft. lb.) is done by a large bucket that can lift 4.5 tons of dirt 14 ft…

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 4.0m?

A: Work done by force F in moving object distance d is given by,  W =F.d = F×d×cosθ Where, θ is the…

Q: How much work is done on a 20 kg crate that is hoisted 2 m in a time of 4 s?

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Q: A man pushes a lawn mower on a level lawn with a force of 191 N. If 25% of this force is directed…

A:

Q: A box is pushed along a flat surface with a constant force of 15 N How much work is done on the box…

A: Applied force is F = 15 N Distance traveled by the box is D = 0.33 m

Q: How much work is done moving a 2.4 kg book to a shelf 4.0 m high?

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Q: How much work must be done to stop a 925-kg car traveling at 110 km/h?

A: According to the work energy theorem, the work done on an object to change its state is equal to the…

Q: How much work is done by the force of gravity when a 45N object falls to the ground from a height of…

A:

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: A courageous warrior pushes a stone block 4.81 m. If they apply a force of 3780 N to do this, how…

A: Amount of work done by a force is equal to product of force and displacement. Work = Force x…

Q: How much work is done by lifting a 50kg on to a 2.5 m high ledge?

A:

Q: How much work is done to move a 10900 N car 28 meters?  joules

A: Given data The force to move the car is F=10900 N The distance move by the car is d=28 m   The work…

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: A 40 kg boy runs up a staircase to a floor 5 m higher in 7 s. What is his power output?

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Q: How much work is done in raising a 42.3 kg crate a distance of 1.5 m above a storeroom floor?

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Q: A 150 pound man runs up a stairway 20 feet above ground level in 15 s.  How much work did the man…

A:

Q: Mama Mia has a mass of 65kg and is carrying a tray of turkey with a total weight of 55N. If she…

A: Work done is the dot product of the force and the displacement,

Q: A man pushes the lawnmower on a level lawn with the force of 197 N and if 34% of this force is…

A: Given data The force is given as F = 197 N. The percentage of the force is given as 34%. The…

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: A worker pushes horizontally on a large crate with a force of 235N and the crate is moved 4.5 m .…

A: The force on the crate F=235 N The displacement of the crate s =4.5 m The work done is the dot…