work done by F

Q: Rising an auto in a service station requires work. Raising it in half the time requires A. Half the…

A: According to the work energy theorem,         w ex = ∆U+∆K

Q: ndicate if WORK IS DONE or NO WORK IS DONE on the following situation. 1. A girl walking up the…

A: Given: indicate if WORK IS DONE or NO WORK IS DONE on the following situation. 1. A girl walking up…

Q: Find the displacement Work done=112 J Force=55 N

A:

Q: Find Work done Force=5.54 N Displacement 0.2 m

A: Given data : Force=F Displacement=d   To find : Work done

Q: . Jordan is 32kg and walks up stairs. She travels a vertical distance of 2 meters. Determine how…

A:

Q: Find the force applied. Work done=28.32 J Displacement=2 m

A:

Q: What is the derived S.I. unit for power? newtons O horsepower O joules watts

A: Newton is used to measure force which is obtained when mass of a body is multiplied with its…

Q: 18 kg. over the side of a building. the work required to the chain

A:

Q: A contractor lifts beams (985 kg) 52 m using a 10 hp-rated crane. Convert 10 hp to Watts (use 1 hp =…

A: mass of beam (m) = 985 kg Distance moved (d) = 52 m Power of crane (P) = 10 hp = 10×746 W = 7460 W…

Q: Find the mass, in kilograms, of an object that requires 6,718 J of work to lift it to a height of 24…

A:

Q: A 380-lb gorilla climbs a tree to a height of 23 ft. Find the work done (in ft-lbs) if the gorilla…

A: Weight of gorilla = 380 lb  Displacement of gorilla = 23 ft

Q: Find the work done is displacing crate upto 2.77 m by force of 12.51 N

A: Given data : Force is denoted by F Displacement is denoted by d   Required : Work done

Q: Mechanical energies

A: Kinetic

Q: A contractor lifts beams (905 kg) 52 m using a 10 hp-rated crane. How much work is required to lift…

A:

Q: A 20 pound force is applied at an angle to the side of a box causing it to slide across a floor. The…

A:

Q: A spring 40mm ling is stretched by the application of force. If 10N force is required to stretch the…

A: k=Fx=10 N40 mm10-3 m1 mm=250 N/m

Q: Find the force applied Work done 887.22 J Displacement 55 m

A: Given data : Work done=W Displacement=d   Required : Force applied

Q: Find the work done Force=221.100 N Displacement=22.21 m

A:

Q: A constant force of 850 N pushes a 150 kg mass up the inclined plane shown below. The mass moves at…

A: Given :Mass = 150 kgApplied force = 850 NSpeed = 3 m/sHeight  = 2 m Required :Power developed of…

Q: A force of 403.0 N is exerted on a 1,250 N car while moving it a distance of 2.69 m. How much work…

A: Given: The force exerted on the car is 403.0 N. The weight of the car is 1250 N. The displacement of…

Q: 61.0kg boy runs at 1.50m/s up set if stairs. Slope upward is 41.0 degrees to horizontal. What is…

A: Solution: Given: m = mass of boy = 61.0 kg u = speed of boy up the stairs = 1.50 m/s θ = angle of…

Q: A horozontial force of 125.0 N is applied to move a 46.0-kg cart across a 7.0 m level surface. What…

A:

Q: find work done by pulling force find work done by friction find net work What is the final…

A: Figure is given below: Say body moves towards right. Part A. Pulling force and displacement of…

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.