(III) A 265-kg load is lifted 18.0 m vertically with an acceleration a=0.160g by a single cable. Determine (a) the tension in the cable; (b) the net work done on the load; (c) the work done by the cable on the load; (d) the workdone by gravity on the load; (e) the final speed of the load assuming it started from rest.

Q: A block of mass M = 4 kg on an inclined plane is pulled upwards by a force F = 100 N forming an…

A: Given: m=4kg, F=100N, ϕ=30°, μ=0.3, θ=45°   Refer to the free body diagram of the block below :

Q: The extension caused in a wire by a load is 2 kg is 0.4 mm. Find the work done in stretching the…

A: Given data: -  The small load on the wire is m = 2 kg. The extension caused by the small load is e…

Q: A box with a mass of 3.0 kg is accelerated from rest by a constant force across a floor at a rate of…

A: A box with a mass m = 3.0 kg is accelerated from rest (intial velocity u = 0) by a constant force F…

Q: A 50-gram block rests on an inclined plane 15o with the horizontal. The coefficient of friction is…

A:

Q: (a) Calculate the work done (in J) on a 1700 kg elevator car by its cable to lift it 41.0 m at…

A:

Q: F=30N 25°

A:

Q: find (a) the work done by the applied force, (b) the the energy lost due to friction, (c) the change…

A:

Q: The work (J) done by the balloon in its ascent * 7-9 A balloon lifts its 2.0 x 102 kg load at a…

A: T=10min height = 1500m

Q: A person in good physical condition can put out 200 W of useful power for several hours at a…

A: POWER In physics, power is the amount of energy transferred or converted per unit time. The SI unit…

Q: A box weighing (10O Ib) is pushed (20 ft) along a level floor at constant velocity by a horizontal…

A: Given- Weigh of box m=100 lb Distance d=20 ft The coefficient of sliding friction between the box…

Q: Calculate the power required to raise a 20 kg object to a height of 10 m in 1 minute. What…

A: Given that: Mass, M=20 kg Height, H=10 m Time, t=1 min=60 sec

Q: The work required to stretch a certain spring from an elongation of 4.00 cm to an elongation of 5.00…

A: Given data: Elongation of length x1=4.00 cm                                  x2=5.00 cm Energy =11J…

Q: (II) A 75-kg skier grips a moving rope that is powered by an engine and is pulled at constant speed…

A: Given: Mass,m=75kgAngle,θ=230Distance,x=220mCoefficient of kinetic friction,μk=0.10Time,t=2min=120s…

Q: Shown below is a 40-kg crate that is pushed at constant velocity a distance 8.0 m along a 30°…

A: Free body diagram

Q: (b) Calculate the work done in pushing a box through a distance of 50 m against the force of…

A: Let the mass of the box is M Distance by which we have to push this box is 50 m (d=50 m) Friction…

Q: A mass of 3.50kg is pushed through a distance of 10.8m along a frictionless table by a constant…

A: The work done by the force can be expressed as W=F·d

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

A:

Q: A 510 kg elevator accelerates upward at 1.5 m/s? for the first 11 m of its motion.

A: solution is given as

Q: the problem above, how long will this acceleration take if the car also climbs a 3.00-m high hill in…

A:

Q: A vertical spring with constant 41.16 N / m rests in its equilibrium position hanging from the…

A: Given data, Spring constant,  k = 41.16 N/m Mass hung, m = 1.68 kg Displacement of the particle…

Q: Calculate the work done if a 60 kg block of ice is pulled across a smooth surface using a chain 25º…

A:

Q: What is the average useful power output (in w) of a person who does 6.80 x 106 J of useful work in…

A: Given: Work done by the person, W = 6.80 × 106 J time taken to complete it, t = 7.60 h = 7.60 h ×…

Q: A crate of mass 9.0 kg is pulled up a rough incline with an initial speed of 1.42 m/s. The pulling…

A: (b) Increase in internal energy due to friction Wfk=-fkd=-μkmgcosθd=-0.49.0 kg9.8m/s2cos20.6°4.92…