How much effort will be required on the small piston having cross sectional area 20 square cm to lift a load of 4000 N on large piston having cross sectional area 1 square meter. Also calculate pressure exerted on small piston ​

You are standing on a boat. which of the following strategies will make the boat start moving? a. pushing the mast b. throwing some cargo out of the boat c. pushing the front ofthe boat d. pushing another passenger

What about a rubber band, can it change its shape? is it a solid?

Atoy airplane, flying in a horizontal, circularpath, completes 10. complete circles in 30.seconds. if the radius of the plane’s circular pathis 4.0 meters, the average speed of the airplane is(1) 0.13 m/s (3) 1.3 m/s(2) 0.84 m/s (4) 8.4 m/s