JKCET Work, Energy and Power — practice questions
6 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JKCET Work, Energy and Power in the app →Work done by a constant force $\vec{F}$ when the body moves through displacement $\vec{s}$ is:The kinetic energy of a body of mass $m$ moving with speed $v$ is:The gravitational potential energy of a body of mass $m$ raised to a height $h$ above the ground (where $g$ isThe elastic potential energy stored in a spring of spring constant $k$ when stretched by displacement $x$ is:
A body of mass $m_1$ moving with velocity $u_1$ cThe work-energy theorem states that the net work done on a body equals: