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

गति की मात्रा

English Usage: The car gained momentum as it went downhill.

Hindi Usage: जैसे ही कार नीचे की ओर गई, उसकी गति की मात्रा बढ़ गई।

prohibited or not allowed.

प्रतिबंधित

English Usage: They entered the forbidden area without permission.

Hindi Usage: उन्होंने अनुमति के बिना प्रतिबंधित क्षेत्र में प्रवेश किया।