Relative Nature of Motion

Now we know that motion is a relative term.So absolute motion has no meaning, right? So aren’t Galileo’s view that earth moves around sun and the church’s old belief that sun moves around earth actually not equally correct or equally wrong? this is a question from hc verma’s concept of physics part 1.(from short answer … Continue reading Relative Nature of Motion

Motion in a vertical circle and conservation of energy

A stone  tied to a string of length l is whirled around a vertical circle with the other end of the string at the centre. At a certain instant of time the stone is at the lowest position and has a speed u. What is the magnitude of change in its velocity as it reaches … Continue reading Motion in a vertical circle and conservation of energy

Sequence of Learning Physics

In what sequence should these chapters be prepared for my exams:- units and dimensions,kinematics,laws of motion,work power and energy,motion of system of particles and rigid body dynamics,gravitation. Apoorv Katoch asked Answer: It is better to follow...