What do you mean by "The value of universal constant is 6.67×10^-11 Nm^2/kg^2".

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped