an influencing force that drives or motivates

the active impetus or driving energy

प्रेरक बल

English Usage: His determination became the propelling force behind the project.

Hindi Usage: उसकी दृढ़ता परियोजना के पीछे प्रेरक बल बन गई।

a source of inspiration or motivation

प्रेरणा का स्रोत

English Usage: The community's support was a propelling force for the social change initiative.

Hindi Usage: समुदाय का समर्थन सामाजिक परिवर्तन पहल के लिए प्रेरक बल था।