b 45 N d 65 N a 35 N c 55 N 87 A helicopter of mass 2000 kg

Last updated: 6/8/2023

b 45 N d 65 N a 35 N c 55 N 87 A helicopter of mass 2000 kg rises with a vertical acceleration of 15 m s The total mass of the crew and passengers is 500 kg Choose the correct statements from the following Take g 10 ms i The force on the floor of the helicopter by the crew and passengers is 1 25 x10 N vertically downwards ii The action of the rotor of the helicopter on the surrounding air is 6 25 x10 vertically downwards iii The force on the helicopter due to the surrounding air is 6 25 x10 N vertically upwards b ii and iii d All the three a i and ii c i and ii J A 92 J 4 93