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What is impulse?
→ I = integral → F x dt
I = impulse of the force
F = force vector acting on the particle
dt = infinitely small time
What is impulse for constant force?
→ I = → F x change in time
Impulse - symbol, type, units?
→ I
vector - mag + direction
Newtons seconds
What is momentum equation?
→ L = m v
L = momentum of particle
m = mass of particle
v = velocity of particle
Momentum - symbol, type, units?
→ L
vector
kgm/s or Newton seconds
What is impulse momentum relation?
The impulse of the resultant force acting on a particle over a given time period is equal to the change in linear momentum of the particle.
→ I = change in →L
F x change in time = m x change in v
What is conservation of momentum?
If no external agent exerts force on a system then the total momentum of the system remains constant.
