** CENTER OF MASS **

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** Demo Video **

**All Lectures **

**Lect # 1**

**Content Covered:**

Center of Mas, definitions, Type of mass distribution, discrete and continuous mass distribution, linear mass density, surface mass density, volume mass density. Calculation of com for system of particles. Com of system of two particles.

**Duration:**42 Minutes

**Lect # 2**

**Content Covered:**

Calculation of com for continuous mass distribution, com of rod, semi-circular ring, semi-circular disc, solid hemi-sphere, hollow hemi-sphere, solid cone.

**Duration:**51 Minutes

**Lect # 3**

**Content Covered:**

Com of a body with hole, problems

**Duration:**25 Minutes

**Lect # 4**

**Content Covered:**

Motion of com, velocity of com, acceleration of com, impulsive force, impulse, impulse-momentum equation, important examples.Conservation of momentum, some important conclusions and examples.

**Duration:**48 Minutes

**Lect # 5**

**Content Covered:**

Miscellaneous problems

**Duration:**19 Minutes

**Lect # 6**

**Content Covered:**

Some important points related to center of mass and miscellaneous problems.

**Duration:**40 Minutes

**Lect # 7**

**Content Covered:**

Spring mass system, steps to solve the problems based on spring-mass-system. Problems , Collision, line of impact, coefficient of restitution

**Duration:**39 Minutes

**Lect # 8**

**Content Covered:**

classification of collision, head-on-inelastic collision, head on elastic collision, head on-perfectly in elastic collision. Problems on collision.

**Duration:**39 Minutes

**Lect # 9**

**Content Covered:**

collision with heavy mass. Oblique collision, problems

**Duration:**30 Minutes

**Lect # 10**

**Content Covered:**

oblique collision with wall , problems

**Duration:**27 Minutes

**Lect # 11**

**Content Covered:**

Variable mass, thrust force, rocket propulsion.

**Duration:**28 Minutes