A stool has a round non-slip pad fitted to the bottom of each leg. The stool has four legs. The area of each pad is 3 cm2
. The weight of the stool is 75 N.
A student sits on the stool. The weight of the student is 525 N.
Calculate the pressure acting on the floor due to the student and the stool.

please translate this in Hindi because I don't know English

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )