Home
Class 11
PHYSICS
The total mass of an elevator with a 80 ...

The total mass of an elevator with a 80 kg man in it is 1000 kg. This elevator moving upward with a speed of ` 8 ms^-1` is brought to rest over a distance of 16 m. Calculate
the force exerted on man by the elevator floor.

Answer

Step by step text solution for The total mass of an elevator with a 80 kg man in it is 1000 kg. This elevator moving upward with a speed of 8 ms^-1 is brought to rest over a distance of 16 m. Calculate the force exerted on man by the elevator floor. by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The total mass of an elevator with a 80 kg man in it is 1000 kg. This elevator moving upward with a speed of 8 ms^-1 is brought to rest over a distance of 16 m. Calculate the tension T in the cable supporting the elevator

A bullet of mass 0.04 kg moving with a speed of 90 ms^-1 enters a heavy wooden block and is stopped after a distance of 60 cm. What is the average resistive force exerted by the block on the bullet?

A car of mass 1000 kg moving with a velocity of 36 km/h comes to rest in 5 seconds. What is the force exerted on the car?

A man of mass 70 kg stands on a weighing scale in a lift which is moving :- upwards with a uniform speed of 10 m s^-1 , what would be the reading on scale?

An elevator of mass 1800 kg is moving up with a constant speed of 8 m/s. A frictional force of 6000 N opposes its motion. Determine the minimum power delivered by the motor to the elevator.

An elevator of total mass (elevator+ passenger) 3600 kg in moving up with a constant speed of 2 ms^-1 . A frictional force of 1300 M opposes its motion. Determine the minimum power delivered by the motor to the elevator.

A car of mass 1000 kg moves on a circular road with a speed of 20 ms^-1 . Its direction changes by 90^@ after travelling 628 m on the road. The centripetal force acting on the car is

A car of mass 1000 kg starts from rest and comes down an inclined slope. If it travels a distance of 300 m in 30 seconds, calculate force acting on the bus

An object of mass 100 kg is accelerated uniformly from a velocity of 5 ms^(-1) to 8 ms^( -1) in 6s. Calculate the initial and final momentum of the object. Also find the force exerted on the object.

A man of mass 70 kg stands on a weighing scale in a lift which is moving :- upwards with a uniform acceleration of 5 m s^-2 . What would be the readings on the scale in each case?

Home
Profile