A bodybuilder lifts a 390 N set of weights from ground level to a position over his head, a vertical distance of 1.70 m. How much work (in J) does the bodybuilder do? Assume the weights are moved at constant speed. J

Q: An athlete lifts a 410 N set of weights from ground level to a position over her head, a vertical…

A: Given data:  Weight = 410 N Distance (d) = 1.90 N Weight moved at constant speed Required: Work done…

Q: IP To clean a floor, a janitor pushes on a mop handle with a force of 69.1 N • Part A If the mop…

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Q: The mass of block A is 5 kg and the mass of block B is 3 kg. Released from rest, the block B moves…

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Q: You are trying to move a crate with mass 22 kg from A to B onsite. You don't know the value of h,…

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Q: The figure shows the work done on an object traveling along different paths between 3 different…

A: Given: The work done from path B to A is 30 J. The work done along paths B to C is -10 J. The forces…

Q: As a snowboarder descends a mountain slope, gravity, the normal force, and friction combine to exert…

A: Given: Net work done, W = 4700 J The angle between her path and net force (θ) = 67o Net force (F) =…

Q: A 4.55 kg block moves in a straight line on a horizontal frictionless surface under the influence of…

A: Give the mass of the block m=4.55kg and F1=10.0Nand x1=56.0m So force is linear and the work done by…

Q: You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 720…

A: We know,  Work done by elevator is equal to gain in potential energy (a)  Work Done (W) =(720+1070)*…

Q: Davina accelerates a box across a smooth frictionless horizontal surface over a displacement of 18.0…

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Q: As a sailboat sails 59 m due north, a breeze exerts a constant force F₁ on the boat's sails. This…

A: The work done by force = F d cosθ where θ is the angle between force vector and displacement…

Q: A 3.62-kg bucket of water is tied to a rope and lifted vertically upward at a constant speed of 2…

A: Given data: Mass of the bucket (m): 3.62 kg Constant speed of lifting (v): 2 m/s Displacement (h):…

Q: A 400 N student pushes a 500N trunk a distance of 8.00 m along a straight line, by applying a…

A: Solution:-Given thatWeight of trunk (W)=500 NDisplacement (d)=8 mApplied force (F)=600 Ninitial…

Q: An object follows a closed path consisting of 3 segments, C1, C2, and C3, surrounding a surface S as…

A: This question can easily be called by applying the basic concepts of work done and line integration…

Q: An airline flight attendant rolls a suitcase through the airport lobby, as shown in the figure. If…

A: Write the expression for the work done. W=F→⋅d→W=Fdcosθ

Q: A 100 kg crate slides 10.0 m down a 40 degree incline. The coefficient of friction is 0.20. What is…

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Q: A 3.35-kg bucket of water is tied to a rope and lifted vertically upward at a constant speed of 2.1…

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Q: A 22.0 kg child plays on a swing having support Express your answer in meters per second. ropes that…

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Q: While shopping in a mall, Abdullah helped his mother by pushing a trolley of mass 32kg at a constant…

A: \

Q: If the magnitude of the force she exerts on the suitcase is 25.0 N, and she does +1.14 x 103 J of…

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Q: An object follows a closed path consisting of 3 segments, C1, C2, and C3, surrounding a surface S as…

A: The expression for the line integral of a vector A→ along a certain path from point a to b is given…

Q: 1 lige pulley going up polling down IN on is lifting a crate (mass = m) using a . The crate rises at…

A: Mass = m = 53 kg Distance = d = 2.7 m Work done by person = W = ?

Q: A particle was subjected to a force F, that varies with position as described by the F vs. x graph…

A: The area under the force displacement graph gives the value of work done.

Q: Part A How much work is done by each of the three forces? Express your answers using three…

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Q: Mark and David are loading identical cement blocks onto David's pickup truck. Mark lifts his block…

A: Mark and wood done the same amount of work

Q: A 3kg object is pulled along a horizontal surface at a constant speed by a 15 N force acting at…

A: m=3 kgF=15 Nθ=200d=12 mW=?

Q: Part E Calculate the total work done on the suitcase. A luggage handler pulls a 20.0 kg suitcase up…

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Q: A box is under the influence of two (and only two) forces. Julio is pulling the box to the left. A…

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Q: You drop a 2.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your…

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Q: My sister Sara is pulling a box along a horizontal surface with the force F inclined at an angle 0…

A: To find :  True or false - work done by force of gravity is zero

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: f 25.0° below the horizontal. The force is just sufficient to balance various friction forces, so…

A: Given:- Applied force on the cart F = 30 N directed at an angle of 25.0° below the horizontal The…

Q: An object moving in the zy-plane is subjected to the force F = (2xyî +x²j) N, where x and y are in…

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Q: Choose the statement about work which is incorrect: O A force perpendicular to displacement does no…

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Q: Sam, whose mass is 72 kg, straps on his skis and starts down a 64 m -high, 20° frictionless slope. A…

A: Given: Mass of Sam, m = 72 kg Height, h = 64 m Inclination of the slope, θ = 20⁰ Horizontal force, F…

Q: Revie A system in which only one particle can move has the potential energy shown in (Figure 1) .…

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Q: A parent pulls a child in a wagon at a constant speed, exerting a force of F = 55N at an angle of…

A: Given Data Applied force on the wagon is F=55 N Angle of the force with respect to the horizontal is…

Q: A crate with mass m = 33.3 kg being pushed up an incline that makes an angle φ = 22.7 degrees with…

A: Free body diagram :

Q: Y Part A How much work is done by the force? Express your answer using two significant figures. ▸…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.