the quantity of motion of a moving body, measured as a product of its mass and velocity

something that keeps going or growing stronger

प्रगति

English Usage: The project lost momentum after the initial success.

Hindi Usage: प्रारंभिक सफलता के बाद परियोजना की प्रगति शिथिल हो गई।

to gain in strength or intensity

बलवान होना

English Usage: The campaign struggled to momentum after several setbacks.

Hindi Usage: कई बाधाओं के बाद अभियान को बलवान होने में कठिनाई हुई।