Physics for IGCSE & O level - Forces And Motion (Section 9 - No. 25)
Which of the following will experience the greatest change in momentum if the same force is applied for the same amount of time?
A massive object at rest.
A light object at rest.
A massive object in motion.
A light object in motion.
Paliwanag
Impulse (Force * time) is equal to change in momentum. Same force & time means same impulse, and equal change in momentum for either.