A 60 kg man stands on a spring scale in ...

A 60 kg man stands on a spring scale in the lift. At some instant he finds, scale eading has changed from 60 kg to 50 kg for a while and then comes back to the original mark. What should we conclude?

The lift was in constant motion upwards

The lift was in constant motion downwards

The lift while in constant motion upwards is stopped suddenly

The lift while in constant motion downwards is suddenly stopped.

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NEWTONS LAWS OF MOTION
AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - III) (LEVEL - II) (Straight Objective Type Questions)|4 Videos
NEWTONS LAWS OF MOTION
AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - III) (LEVEL - II) (More than one correct answer Type Questions )|4 Videos
NEWTONS LAWS OF MOTION
AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) (LEVEL - II) (Integer Type Questions )|6 Videos
MOTION IN A STRAIGHT LINE
AAKASH SERIES|Exercise Questions for Descriptive Answers|7 Videos
OSCILLATION
AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|12 Videos

Similar Questions

Explore conceptually related problems

A man of mass 70 kg stands on a weighing scale in a lif which is moving What would be the reading if the lift mechanism failed and it hurtled down freely under gravity ?

A man of mass 70 kg stands on a weighing scale in a lif which is moving upwards with a uniform acceleration of 5ms^(-2) , What would be the readings on the scale in each case ?

A man stands on a rotating platform, with his arms stretched horizontally holding a 5 kg weight in each hand. The angular speed of the platform is 30 revolutions per minute. The man then brings his arms close to his body with the distance of each weight from the axis changing from 90cm to 20cm. The moment of inertia of the man together with the platform may be taken to be constant and equal to 7.6 kg m^(2) . (a) What is his new angular speed? (Neglect friction.) (b) Is kinetic energy conserved in the process? If not, from where does the change come about?

A man is standing on a spring platform Reading of spring balance is 60Kg.wt. If man jumps outside platform, then reading of the spring balance

AAKASH SERIES-NEWTONS LAWS OF MOTION -PRACTICE SHEET (EXERCISE - III) (LEVEL - I) (Straight Objective Type Questions)

A body of mass 40 kg stands on a weighing machine in an accelerated li...
Text Solution
|
The apparent weight of man inside a lift moving up with certain accele...
Text Solution
|
A 60kg man is inside a lift which is moving up with an acceleration of...
Text Solution
|
When an empty lift is moving down with an acceleration of g/4 ms^(-2) ...
Text Solution
|
A lift carries a person with a weighting machine in it, up and then do...
Text Solution
|
A block of mass 5kg is suspended by means of a uniform cord of mass 2k...
Text Solution
|
A block of mass 1 kg is at rest relative to a smooth wedge moving left...
Text Solution
|
A reference frame attached to the earth a) is an inertial frame by d...
Text Solution
|
An elevator accelerates upwards at a constant rate. A uniform string o...
Text Solution
|
A 60 kg man stands on a spring scale in the lift. At some instant he f...
Text Solution
|
For ordinary terrestrial experiments, the observer in an inertial fram...
Text Solution
|
In the figure shown the man of mass 60kg is liftinga block of mass 10k...
Text Solution
|
A man of mass 40kg is standing on a weighting machine kept on the floo...
Text Solution
|
In the figure shown the man of mass 60kg is lowering a block of mass 1...
Text Solution
|
Find the reading of the machine. Given mass of box =5kg, mass of man =...
Text Solution
|
Find the reading of the machine. Given mass of box =5kg, mass of man =...
Text Solution
|
The above question if weighing machine reads correct reading then find...
Text Solution
|
Two blocks A and B are kept in an elevator which is moving up with an ...
Text Solution
|
A block slides down from top of a smooth inclined plane of elevation t...
Text Solution
|