यदि कोई लड़का एक मेज पर 5 N का बल इस प्रकार लगाता है कि मेज लगाए गए बल के लंबवत दिशा में 5 मीटर विस्थापित हो जाती है, तो किया गया कार्य कितना होगा?

A load of 17.5 kg is lifted through a height of 5 metres. Find the work done in joules (taking g = 10 m/s2).

The power of a crane which lifts a mass of 1000 kg to a height of 20 m in 10 s is: (g = 9.8 m/s2)

If the kinetic energy of a moving object is increased by 300%, by what percentage does its linear momentum increase?