Work Energy and power Work Energy and power
- Slides: 46
Work , Energy and power
Work , Energy and power
Scalar product
Work done by variable force
Numerical
Kinetic Energy
Work-Energy Theorem
Potential Energy
Conservative and Non-conservative force
Conservation of Mechanical Energy
Potential Energy of a Spring
Potential Energy of a Spring
Potential Energy of a Spring
Numerical
Various Forms of Energy
Various Forms of Energy
Various Forms of Energy
Various Forms of Energy
Mass –Energy Relation
Power
Power
Collisions
Collision in one dimension
Collision in one dimension
Collisions in one dimensions
Collisions in one dimension
Completely inelastic collision
Numerical
Collisions in two dimensions
Collisions in two dimensions
Collisions in two dimensions
• Example: Two balls initially travelling along the xaxis with opposite velocities collide with each other obliquely, is it possible that they will move in the y-axis after collision? • Solution: Yes, it is possible, if the balls have same mass and travel with same speed. Initially their total momentum in x-direction was zero as their velocities were opposite; also in y-direction it is zero because they do not have velocity in that direction. Now after collision if their velocities are still equal and in opposite direction, the total momentum still remains zero.
ASSIGNMENTS
ASSIGNMENTS
ASSIGNMENTS
ASSIGNMENTS
ASSIGNMENTS
NUMERICAL PROBLEMS
Numerical problems
Numerical problems
Numerical problems
Numerical problems
Assignments
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