Numerical Problem from Motion of Connected systems

Two blocks A and B of mass m1 and m2 respectively are kept in contact on a frictionless table.The experimenter pushes the block A from behind so that the blocks accelerate. If  the block A exerts a force F on the block B,what is the force exerted by the experimenter on A. Incoming search terms:numericals on [...]

Solving problems on Laws of Motion

Sir,in solving problems of laws of motion ,is it mandatory to take that direction as +ve in which acceleration acts?(i.e should i subtract other forces acting on a body from the forces that is acting towards the acceleration)   (Pranay Talukdar asks) Answer: In general, we take the forces in the direction of acceleration (I.E, ENHANCING [...]

An online quiz for Class 9 Physics – Force and Motion

Attempt this quiz from force and motion. This is primarily aimed at CBSE Class9 students. A Multiple Choice Quiz from Force The page will open in a new window. Your score will be shown on top of page in percentage. You can attempt multiple times and can improve performance. Please post your comments if you [...]