Along inclined plane Horizontally At some angle with the inclined plane Simple Machines Definition of a machine; types of simple machine; Mechanical advantage; velocity ration; efficiency; relation between efficiency, mechanical advantage and velocity ratio; frictional loss; law of machine. System of pulleys First system, second system and third system of pulleys. – Working principle and applications of machines wheel, axle, differential pulley; simple screw – jack, Worm and warm wheel. Rectilinear Motion Motion under uniform acceleration (); simple problems D’Alembert’s principle application in single and connected bodies on horizontal plane, inclined – plane and pulley system (with and without friction) Curvilinear Motion Definitions Projectile, trajectory, angle of projection, range, time of flight. – Equation for the path of a projectile; velocity and direction of motion of a projectile after a given time has elapsed. Velocity and direction of motion of a projectile at a given height; Greatest height attained by a projectile and the time to reach the greatest height. Motion of Rotation Angular displacement; Angular velocity; angular acceleration; relation – between angular velocity and linear velocity in circular motion. Centrifugal and centripetal force in circular motion. **********000**********
Along inclined plane Horizontally At some angle with the inclined plane Simple Machines Definition of a machine; types of simple machine; Mechanical advantage; velocity ration; efficiency; relation between efficiency, mechanical advantage and velocity ratio; frictional loss; law of machine. System of pulleys – First system, second system and third system of pulleys. Working principle and applications of machines – wheel, axle, differential pulley; simple screw jack, Worm and warm wheel. Rectilinear Motion Motion under uniform acceleration (); simple problems D’Alembert’s principle – application in single and connected bodies on horizontal plane, inclined plane and pulley system (with and without friction) Curvilinear Motion Definitions – Projectile, trajectory, angle of projection, range, time of flight. Equation for the path of a projectile; velocity and direction of motion of a projectile after a given time has elapsed. Velocity and direction of motion of a projectile at a given height; Greatest height attained by a projectile and the time to reach the greatest height. Motion of Rotation – Angular displacement; Angular velocity; angular acceleration; relation between angular velocity and linear velocity in circular motion. Centrifugal and centripetal force in circular motion. **********000**********