Let a bag of mass 'm' is being raised to a height 'h' from the floor of your classroom. What will be the work done by the applied force (Fa) and gravitational force (Fg)?

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: A labourer weighing 600 N is to carry 5 sacks of rice from ground floor to the second floor of the…

A: Given  Weight of labour, W = 600 N  No of sack, N = 5  Mass of each sack ,M = 50 kg  Distance…

Q: How much work in ft-lb will a force that is applied parallel to the plane will make in 2.143…

A: In this scenario a force is applied opposite to the direction of motion and we are required to find…

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: How much work is done by the gravitational force when a 175 kg pile driver falls 6.0m ?

A: Mass, m = 175 kg Distance moved  by object, d = 6 m

Q: A force of 8 lb is required to hold a spring stretched 4 in. beyond its natural length. How much…

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Q: A wagon is pulled horizontally by exerting a force of 10 lb on the handle at an angle of 60o with…

A: Given data: Pulling force (F) = 10 lb Distance (d) = 36 ft Angle = 60 degree Need to determine work…

Q: A constant force of F→=⟨1,10⟩ moves an object along a straight line from the point (−5,−3) to 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: 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: Answer the following and explain it in simple words 1. Why is more work done in climbing a hill…

A: Work done is change in energy or force times displacement. 1. While walking on level road , there is…

Q: A box whose mass is 45 kg is moved across a horizontal floor by dragging it with a rope attacked to…

A: Given : Mass of box, m = 45 kg Force by rope, F = 280 N Angle with horizontal = 37° Distance…

Q: Mr. Mangan pushes a box across a frictionless surface with a force of 150 N for 8 m. Find the work…

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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 box that moves up on a surface inclined 30 degree under the influence of three forces as shown in…

A: We know that work done is defined as,W=F.s---(1), Where, W,F,s are work done, force applied and…

Q: while rearranging a dorm room, a student does 343 J of work in moving a desk 3.3 m. what was the…

A: Work done = 343 J displacement = 3.3 m Fhor = ?

Q: In the given question/s as follows, consider a 20-foot chain that weighs 3 pounds per foot hanging…

A: Given: The weight is w=3 pounds/foot. The initial length is L=20 ft. The final length is L'=10 ft.…

Q: A block of mass m is pushed at constant speed over the horizontal ground. If the kinetic friction…

A: Given data, Mass of the block = m displacement = s coefficient of kinetic friction=μ

Q: The brakes of a truck cause it to slow down by applying a retarding force of 7380 N to the truck…

A: Work Done (W) = F*X Where,    F= force applied    X= displacement

Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver slows to 7 m/s, what is the work…

A: The mass of the car, m is 1000 kg. The initial speed of the car, u is 20 m/s. The final speed of the…

Q: The brakes of a truck cause it to slow down by applying a retarding force of 2740 N to the truck…

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Q: A box is being moved upwards in the inclined plane along 80 cm as given in figure. Find the each…

A: Given- F1 = 40 N F2 = 20 N F3 = 50 N θ = 300 d = 80 cm = 0.8 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: A body of mass M slides a distance d along a horizontal surface. The work done by the gravity is

A: Mass of body (M) = M distance (d) = d move to horizontal

Q: A worker pushes a wheelbarrow with a horizontal force of 50N on level ground over a distance of…

A: Newton's second law of motion states that the net force acting on an object is responsible for the…

Q: How much work is done against the gravitational force on a 12-kg briefcase when it is carried from…

A: Given: The mass of the briefcase is 12 kg. The vertical height from the ground is 380 m.

Q: Is work a vector quantity? In other words does it need a direction associated with it ?

A: To define work we just need magnitude and not direction. Also work is the dot product of two vector…

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: Calculate the work done by a 2.4 N force pushing a 400 g sandwich across a table 0.75 m wide.

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Q: How much work was done by friction as the block slid from point A to point B? Express your answer in…

A: Mass of block = 0.33 kg  Vertical distance moved by block = 2.41 m  Speed at B ,Vb = 5.8 m/s

Q: You push your much-loved 3-kg physics book 1.25 m along a horizontal table top with a horizontal…

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Q: You lift a 3kg pumpkin to a height of 0.80 m to check it out. How much work do you do on the pumpkin…

A: Mass of pumpkin m=3 kg The height to which the pumpkin is lifted h=0.80 m The acceleration due to…

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: The brakes of a truck cause it to slow down by applying a retarding force of 7760 N to the truck…

A: Given data:  Force (F) = 7760 N Distance (d) = 868 m Required: The work (W)

Q: A 10 N force [upward] is applied to move an object 2.3 m in horizontal direction. Calculate the work…

A: Write the given values with the suitable variables. F=10 N upwardd=2.3 m Here, F is the force and d…

Q: If you are in a car that is being pulled down a 56.0 m path with a force of 12.5 Newton’s (N), what…

A: Write the given values with suitable variables. d=56 mF=12.5 N Here, d denotes the distance and F…

Q: How much potential energy does a person of mass 82kg have if they are standing at the top of a…

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Q: A man pushes a lawn mower on a level lawn with a force of 193 N. If 51% of the force is directed…

A: We know that work done W=Fd

Q: . A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a…

A: Given data:  Weight = mg = 350 N Height (h) = 2.00 m Required: Work done

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: A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a…

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Q: A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force…

A: Work done is defined as force into displacement Work done = F × S Cosθ

Q: The object is being pulled in a straight line along the ground by a 50-N force directed 60° above…

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Q: Suppose you pull a sled with a rope that makes an angle of 32° to the horizontal. How much work do…

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