In a system, a man of weight 60 kg is inside a lift. The lift is moving upwards with an acceleration of 2 metre per second square. WITHOUT CONSIDERING pseudo force into your calculation, EXPLAIN what is the apparent weight of the man now?
a ladder has 25 cm apart the rungs decrease uniformly in length from 45cm at the bottom to 25 cm at the top if the top and the bottom rungs are 2 1/2 m apart what is the length of the wood required for the rungs?[hint: number of rungs=250/25+1]
