answer these questions with step by step
1.The pressure of the gas contained in a cylinder with a movable piston is 650
Pa. The area of the piston is 60 cm2. Calculate the force exerted on the piston.
2.How much force should be applied on 100 cm2 area using pressure of 25 Pa?
3.A man has a mass of 65 Kg.
a) What is his weight on earth?
b) What is his weight on moon?
i will mark brainliest to whoever answers at least 2/3 questions correctly