(a) Work is said to be done by a force only when ___ ___ ___
(b) Work done = Force × ___ ___ ___
(c) The energy of a body is its capacity to do ___ ___
(d) The S.I. unit of energy is ___ ___
(e) The potential energy of a body is due to its ___ ___ and kinetic energy of body is due to its ___ ___
(f) Gravitational potential energy U = mass × force of gravity on unit mass × ___ ___ ___
(g) Kinetic energy = 12× mass ×___ ___ ___
(h) Power P = ___ ___ / time taken.
(i) The S. I. unit of power is ___ ___
(j) 1 H.P. = ___ ___ W
(a) Work is said to be done by a force only when
(b) Work done = Force ×
(c) The energy of a body is its capacity to do
(d) The S.I. unit of energy is
(e) The potential energy of a body is due to its
(f) Gravitational potential energy U = mass × force of gravity on unit mass ×
(g) Kinetic energy = 12× mass ×
(h) Power P =
(i) The S. I. unit of power is
(j) 1 H.P. =
(a) Work is said to be done by a forte only when the body moves.
(b) Work done = Force × distance moved in direction of the force.
(c) The energy of a body is its capacity to do work.
(d) The S.I. unit of energy is joule.
(e) The potential energy of a body is due to its state of rest or position and kinetic energy of the body is due to its state of motion.
(f) Gravitational potential energy U = mass × force of gravity on unit mass × height.
(g) Kinetic energy = 12× mass × speed2
(h) Power P = worktimetaken.
(i) The SI unit of power is watt.
(j) 1 H.P. = 746 W
(a) Work is said to be done by a forte only when the body moves.
(b) Work done = Force × distance moved in direction of the force.
(c) The energy of a body is its capacity to do work.
(d) The S.I. unit of energy is joule.
(e) The potential energy of a body is due to its state of rest or position and kinetic energy of the body is due to its state of motion.
(f) Gravitational potential energy U = mass × force of gravity on unit mass × height.
(g) Kinetic energy = 12× mass × speed2
(h) Power P = worktimetaken.
(i) The SI unit of power is watt.
(j) 1 H.P. = 746 W
