Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Mechanics
Work and Energy
A crane lifts a 100-kg concrete block to a vertical height of 25 m. Determine the work done by the crane.
1 answer
work = m * g * h = 100 * 9.81 * 25 Joules
You can
ask a new question
or
answer this question
.
Related Questions
a concrete slab of mass 400 kg accelerates down a concrete slope inclined at 35 degrees. the coefficient of kinetic friction
A concrete slab of mass 400 kg accelerates down a concrete slope inclined at 35°. The u kinetic bn the slab and slope is 0.60.
A crane lifts a 100-kg concrete block to a vertical height of 25 m. Determine the work done by the crane.
A concrete block is made by pouring 1000cm^3 of concrete into a 10cm by 25cm rectangular tray. How thick is the block?
Calculate the power of a pump which lifts 500kg of water through a vertical height of 4m in 5sec (assuming g=10m/s^2).
a magnetic crane left a mass 1500 through a vertical height of 40m.calculate the work done in operating the crane
A crane lifts a 100-kg concrete block to a vertical height of 25 m. Determine the work done by the crane.
A crane whose motoer has a power input of 5.0kW lifts a 1200-kg load of bricks through a height 30m in 90s. Find the efficency
A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will
The pulley in the jib of a crane has a diameter of 56cm. Find:
a) The circumference of the pulley b) The number of revolutions