Momentum and Impulse Flashcards
Define momentum
The quantity of motion possessed by a moving body
What is the equation of momentum and give the units in the equation
Momentum(kgm/s)=mass(kg)xvelocity(m/s)
Define impulse
The time taken for a force to be applied to an object or a body
What is the formula for impulse and give the unit
Impulse(N/s)=Force(N)xtime(s)
What is the first direction that an impulse graph will always go
Downwards (neagtive) then upwards (positive)
Interpret the following situations on an impulse time graph for a 100m sprint and mention where each might occur in the race
1.Area below X-axis>Area above X-axis
2.Area below X-axis=Area above X-axis
3.Area below X-axis<Area above X-axis
1.Deceleration (end of the race)
2. Constant velocity (middle of the race)
3. Acceleration (start of the race)