1.

Answer the following : A. What is the reason for the heat being produced when we rub our hands? B. Where will it require more effort to drag a box - on marble or on concrete road? Why? [5 MARKS]

Answer»

Answer the following :
A. What is the reason for the heat being produced when we rub our hands?
B. Where will it require more effort to drag a box - on marble or on concrete road? Why? [5 MARKS]



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