Physics
Define work.
Work, Energy & Power
128 Likes
Answer
The work done by a force on a body is equal to the product of the force applied and the distance moved by the body in the direction of force i.e.,
Work done = Force x distance moved in the direction of force
Answered By
79 Likes
Related Questions
Write true or false for each statement:
(a) A coolie does no work against the force of gravity while carrying a luggage on a plane road.
(b) The energy stored in water of a dam is kinetic energy.
(c) The energy of a flying kite is kinetic energy.
(d) Work done by a boy depends on the time in which he does work.
(e) Power spent by a body depends on the time for which it does work.
Match the following:
Column A Column B (a) A stone at a height (i) power (b) A moving ball (ii) joule (c) Energy (iii) work done in 1 sec (d) Power (iv) potential energy (e) watt (v) kinetic energy When does a force perform work?
State two conditions when no work is done by a force.