Physics
(a) A body of mass 5.5 kg is dropped from the 2nd floor of a building which is at a height of 15 m. What is the force acting on it during its fall? (g = 10 ms-2)
(b) What are isobars ?
(c) How many pulleys are there in a movable block and tackle system with velocity ratio 5 ?
Related Questions
Lead is not used in calorimeter because
- it has high specific heat
- it is not a metal
- it is a toxic metal
- it is not a solid metal
(a) Give one example of pure rotational motion.
(b) Comment on the movement of particles on the axis of rotation in pure rotational motion.
Point the centre of gravity of the object given below
