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

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.

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?

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?

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

A body of mass 0.8 kg is whirled uniformlyt at the end of a string 2 m long.If teh string makes 3 revolutins in 1.5 sec,calculate the tension in the string.

A bolt of mass 0.3 kg falls from the ceiling of an elevator moving down with an uniform speed of 7 m s^-1 . It hits the floor of the elevator (length of the elevator = 3 m) and does not rebound. What is the heat produced by the impact ? Would your answer be different if the elevator were stationary ?

An elevator can carry a maximum load of 1800 kg (elavator + passengre) is moving up with a constant speed of 2 m s^(-1) .The frictional force opposing the motion is 4000 N.Determine the minimum power dilivered by the motor to the elevator in watts as well as in horse power.