Paheli 64 - Who is lifting the maximum weight ? Puzzles for IQ Test | Hindi Paheli #Shorts

Paheli and Boojho observe a bright object in the night sky which was not twinkling. Paheli says, it is a star and Boojho says it is a planet. Who is correct?

Suppose the friction coefficient between the ground and the ladder of the previous problem is 0.540. Find the maximum weight of a mechanic who could go up and do the work from the same position of the ladder.

A 40 kg boy climbs a rope that passes over an ideal pulley. The other end of the rope is attached to a 60 kg weight placed on the ground. What is the maximum upward acceleration the boy can have without lifting the weight ? If he climbs the rope with upward acceleration 2 g, with what acceleration the weight will rise up ?

The weight of any person on the moon is about 1//6 times that on the earth. He can lift a mass of 15 kg on the earth. What will be the maximum mass, which can be lifted by the same force applied by the person on the moon?

A string is wrapped several time on a cylinder of mass M and radius R , the cylinder is pivoted about its axis of symmetery . A block mass of m tied to the string rests on support so that the string is black. The block is lifted upto a height h and the support is removed. (shown in figure) When the string experience a jerk, a large impulsive force is generated for a short duration, so that contribution of weight mg can be neglected suring this duration. then what will be speed of blocks m , just after string has becomes taut

If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels in a higher speed?