Define (a) 1 joule (b) 1 watt.

Class 9PhysicsWork and Energy new file

Verified Answer

(a) 1 joule is the amount of work done on an object when a force of 1 N displaces it by 1 m along the line of action of the force.

(b) 1 watt is the power of an agent, which does work at the rate of 1 joule per second.

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Class 9PhysicsWork and Energy new file

(a) 1 joule is the amount of work done on an object when a force of 1 N displaces it by 1 m along the line of action of the force.

(b) 1 watt is the power of an agent, which does work at the rate of 1 joule per second.