Question

a man climbs a ladder Karenge concrete block of mass 5 kg is the lead and makes an angle of 30 degree with the vertical and is 3 metre long how much work the man does on the block ​

Answer 1

Answer:

Hello

Explanation:

A concrete block of mass = 5 kg, the angle of the ladder is 30 degree and long with 3 m. According to the formula, Work = Fs, F = mg, S =h, So, F (0) =0. Zero is the answer to this question