Advertisements
Advertisements
Question
What do you mean by a kilo joule?
One Line Answer
Advertisements
Solution
A kilojoule of work is said to done when a force of 1 newton displaces a body through 1000 metres in its own direction.
1 kJ = 103 joules
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
State two conditions when no work is done by a force.
A machine raises a load of 750 N through a height of 16 m in 5 s. calculate:
- energy spent by machine,
- power at which the machine works.
How much energy is gained by a box of mass 20 kg when a man, carrying the box waits for 5 minutes for a bus?
If the work done by a force in moving an object through a distance of 20 cm is 24.2 J, what is the magnitude of the force?
A man lifts a mass of 10 kg from the floor to a shelf 4 meter high. If g = 10 ms-2, what is the work done?
Can work done be zero even if force acts on the body?
A body is thrown vertically upwards. Its velocity keeps on changing. What happens to its K.E. when does its velocity become zero?
Name the parameters that can change the K.E.
What are the factors on which P.E. of a body depends?
A ______ should act on an object.
