Home
Class 11
PHYSICS
A lift of mass m is supported by a cable...

A lift of mass m is supported by a cable that can with stand a force of 3mg. Find the shortest distance in which the lift can be stopped when it is descending with a speed of g/4.

Text Solution

Verified by Experts

The correct Answer is:
g/32
Promotional Banner

Similar Questions

Explore conceptually related problems

A 1000 kg lift is supported by a cable that can support 2000 kg. The shortest distance in which the lift can be stopped when it is descending with a speed of 2.5 m//s is ( g = 10 m//s^(2))

A car can be stopped within a distance of s when its speed is v. What is the minimum distance within which the car can be stopped during the same time when its speed is nv ?

A driver having a definite reaction time is capable of stopping his car over a distance of 30 m on seeing a red traffic signal, when the speed of the car is 72 km/hr andover a distance of 10 m when the speed is 36 km/hr. Find the distance over which he can stop the car if it were running at a speed of 54 km/hr. Assume that his reaction time and the deceleration of the car remains same in all the three cases.

A man of mass 60 kg records his weight on a weighing machine placed inside a lift . The ratio of the weights of the man recorded when the lift is ascending up with a uniform speed of 2 m/s to when it is descending down with a uniform speed of 4 m/s will be

Consider a car moving on a straight road with a speed of 100m//s . The distance at which car can be stopped is [mu_k=0.5]

Consider a car moving on a straight road with a speed of 100m//s . The distance at which car can be stopped is [mu_k=0.5]

A man of mass 60 kg records his wt. on a weighing machine placed inside a lift. The ratio of wts. Of man recorded when lift is ascending up with a uniform speed of 2 m/s to when it is descending down with a uniform speed of 4 m/s will be

A uniform horizontal beam of length L and mass M is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle theta with the horizontal . If a man of mass 'm' stands at a distance l from the wall , find the tension in the cable in equilibrium.

The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100m long is supported by vertical wires attached to the cable, the longest wire being 30m and the shortest being 6m. Find the length of the supporting wire attached to the roadway 18m from the middle.

A man of mass m is standing on a lift which moves down with an upward acceleration a. Find the pseudo force acting on the man as observed by himself. Find the pseudo force acting on the man if the lift falls freely.