Question

How to define 1 joule?

Answer 1

1 joule of work is done when 1 newton of force displaces the body by 1 m in the direction of force.

Answer 2

hi mate,

we know that the One joule is defined as the amount of energy exerted when a force of one newton is applied over a displacement of one meter.

One joule is the equivalent of one watt of power radiated or dissipated for one second. In some applications, the British thermal unit (Btu) is used to express energy.

i hope it helps you.