त्रिज्या r के एक वृत्ताकार पथ पर कोणीय वेग ω से घूमने वाले पिंड का रेखीय वेग इस प्रकार परिभाषित किया जाता है:

The angular speed of a flywheel is increased from 600 rpm to 1200 rpm in 10 s. The number of revolutions completed by the flywheel during this time is:

If F = 6î - 3ȷ + 2k̂ is a force acting on a point P whose position vector with respect to origin is r = 2î + ȷ - k̂, then the torque τ acting on the point is: