SAAT Physics 2 Section 2 (Momentum and Conservation of Momentum) - تحصيلي

Momentum definition

The product of the mass and velocity of an object

Momentum formula

P = mu

Momentum formula in words

Momentum = mass x velocity

Momentum is a vector quantity

Its direction matching that of the velocity

Momentum has dimensions mass x length/time

And its SI units are kilogram-meters per second (kgm/s)

Impulse momentum theorem

F△t = △P or F△t = △P = mv_f -mv_i

Impulse momentum formula in words

Force x time interval = charge in momentum

What the equation of impulse momentum states

A net force, F, applied to an object for a certain time interval, t, will cause a change in the object’s momentum equal to the product of the force and the time interval

Force is reduced when the time interval of an impact

Is increased and vise versa

For an isolated system, the law of conversation of momentum can be stated as

The total momentum of all objects interacting with one another remains constant regardless of the nature of the forces between the objects

Elastic collision

A collision in which there is no net loss of total kinetic energy