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Some of the statement regarding a steam engine are mentioned below. Mark the correct option as your answer.Mark the correct answer.
Stream engine is an external combustion engine
Heat is converted into work in a steam engine
Steam is useful in driving the piston
All of the above
What can be said about the sign of the work done by the force?
Calculate the work done in pushing a chair to a distance of 3 meters with an average force of 20 Newton.