P-वें सेकेंड में, एक कण 'β' rad का कोणीय विस्थापन तय करता है। यदि यह विराम अवस्था से चलना प्रारंभ करता है, तो इसका कोणीय त्वरण क्या होगा?

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: