A body of mass m slides a distance d down alom uch work is done by gravity?

Q: A boy of mass m climbs up the stairs of vertical height h. What is the work done by the boy against…

A: Given,           A boy of mass m climbs up the stairs of vertical height h.

Q: A constant force of 40 N is applied as shown to a block which undergoes a displacement of 8.5 m to…

A: Given:-  Constant Force F= 40 N  Displacement d=8.5 m  Find:-   the work done by the force?

Q: need asap pls A 5.0 kg experiences an applied force of (3i + 7j) N as it slides across a horizontal…

A: Given: Applied force, F=3i + 7j N Displacement across a horizontal surface, d=7.0 m   To determine…

Q: The work done by the conservative force F = -kx = -4x to move the block from r = -0.25 m to x = 0…

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Q: A light aircraft that weighs 1600 N is accelerated at 8m/s/s for 15 seconds. The work done on the…

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Q: While rearranging a dorm room, a student does 400 J of work in moving a desk 2.0m. What was the…

A: Workdone, W = 400 J Displacement, d = 2 m Magnitude of the applied horizontal force, = ?

Q: You toss a 0.10-kg ball straight up at a speed of 2.0m/s. How much work is done by gravity when the…

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Q: A package rests on the floor of an elevator that is rising with constant speed. The elevator exerts…

A: An elevator moving up with constant speed

Q: A crate of mass 68 kg is pushed along a floor with a force of 30·0 N for a distance of 7.2 m.…

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Q: A bony-of whent weight Boo kg. To ushat heght Shoulol it be oraired 2o Shat potential energy 94 0 JP…

A: Given data :             Acceleration due to gravity = q             Mass of the bag  = m…

Q: Suppose the lifeboat slides halfway to the water, gets stuck for a moment, and then starts up again…

A: The lifeboat slides halfway to the water, gets stuck for a moment and then starts up again and…

Q: ne natural length of a spring is 8 inches. A force of 20 Ib stretches the spring to O in. Find the…

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Q: It takes a force of 35.17 Newtons to stretch a 34-cm spring to 81-cm and hold it there. How much was…

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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 m.…

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

Q: A lawn roller has been pushed by a gardener hrough a distance of 30 m. What will be the work done by…

A: Work is done when a force acts upon an object to cause a displacement.  Here, we  calculate the…

Q: A 1500 kg car accelerates from a uniformly stationary state at a speed of 10m / s in 3s. Find the…

A: Write the variable with the given values.

Q: A 5.0 kg mass is falling from a height of 10.0 m with a speed of 2.0 m/a what is it's totally…

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Q: The work done on an object moving parallel to the force acting on it is: O OJ O at maximum O…

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Q: You push a table through 3m with a force of 30N. How much work have you doneon the table? The table…

A: The expression for work done is, W=F×d       (I)              F=force,d=displacement

Q: An object in a horizontal surface was moved by applying a constant force (in Newtons), F= 80i + 5j.…

A: Force (F→) = 80i^ + 5j^ Ndisplacement (d→) = 9 i^ m

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: What is the work don if by 15N force applied on the object and displaced by the 5 m ?

A: We know thatWorkdone=force×displacement

Q: A wagon extertéd on the handle at angle of 45° with the hovi tal. If the pulled ina Circle of radius…

A: Given: The force is F=40 N. The angle is θ=45°.The radius is r=25 m. The time is t=20 s. The…

Q: Calculate the work done when a 22-NN force pushes a cart 3.6 mm .

A: Work done (W) = F × S Force (F) = 22N Displacement (S) = 3.6m

Q: Suppose the car approches a hill and has the intial speed 106 km/h at the bottom of the hill. The…

A: Given Data : The initial speed of the car at the bottom of the hill is given as u=106 ms

Q: What is the work required to raise a 200 kg barbell to a height of 1.25 m? From the problem, what is…

A: Given:The mass of the barbell is 200 kg. The height of the barbell is 1.25 m.

Q: A man pushes a lawn mower on a level lawn with a force of 200N. If only 60% of the totalapplied…

A: Given information: The force on the lawn rover (F) = 200 N The fraction of force used in the…

Q: a box of mass 3.5 kg being accelerated along the floor at 3.9 m/s2. If this block is being…

A: Given data- Mass of box =3.5 kg Acceleration a=3.9 m/s2 Initial velocity Vi=0 m/s (rest) Time period…

Q: The same amount of force is applied on the box in 3 different ways. In which situation will the work…

A: we know  work done = force in the direction of displacement *  displacement. so basically work done…

Q: What is the work done (Nm) to a system with a mass of 20kg by lifting it using 2000N of force and…

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Q: ure shown, if the mass (m=8 Kg) is moving with constant speed and traveled a distance d=15 m, what…

A: Given that Block is moving at constant speed, So that means acceleration of block in horizontal…

Q: How much work is needed for a 73-kg runner to accelerate fromrest to 7.7 m>s?

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Q: A water skier is pulled by a towrope behind a boat. He skies off the side, and the rope makes an…

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Q: An object of mass 2 kg falls from a height of 5 m under the influence of the force of Earth's…

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Q: A 3.1kg ball was dropped from an unknown heigh to the ground, find the work done by the gravity…

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Q: A 380-kg piano slic from accelerating E llel to the incline (F ted by the man, - done by the man o…

A: We know tha the we have given that the mass of the piano is m and it slide from d =  3.9 m down with…

Q: In the figure shown, if the mass (m-10 Kg) is moving with constant speed and traveleda distance d=…

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Q: es a force of 34.92 Newtons to stretch a 27-cm spring to 83-cm and hold it there. How much was the…

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Q: A shopper in a supermarket pushes a trolley with a force of 40N directed at an angle of 35° downward…

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Q: A store manager pushes a 10 g box with a force of 25 N and drected at an angle of 37 above the…

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Q: ) How much work is done when a 50N a Floor pushed along distance 10 m?

A: Given data :- Force F = 50 N displacement d = 10 m

Q: You do 6.4 J of work to stretch a spring with k = 190 N/m, starting with the spring unstretched. How…

A: Given data: Work done (W) = 6.4 J Spring constant (k) = 190 N/m Initially spring is unstressed…

Q: When a conservative force does positive work on a body, the potential energy ofthe body…

A: Decreases

Q: A force of 25N is required to stretch a spring to .6 meters from its natural lenght of .4 meter.…

A: Given: the force applied F = 25 N stretch in spring x = 0.6 - 0.4 = 0.2 m

Q: Why does one get tired when pushing against a stationary wall when no work is done on the wall?

A: Work done can be calculated as the product of the displacement and the force applied.