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Bharat Aggarwal from Kalyani school, Pune1

Subject :NSO Class : Class 5

Without friction there would be

Aless machine efficiency.
Bgreater output work than input work.
Cgreater input work than output work.
Dequal input and output work.

explain this

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Ans 1:

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi

Class : Class 7

Ans 2:

Ali Hussain from Delhi Private School Dubai, Dubai

Class : Class 6

explain

Ans 3:

Sanjeev Garg from Assumption Convent School, malout

Class : Class 6

Ans 4:

Gauri Singh from St Johns School Marhauli, Varanasi

Class : Class 8

Ans 5:

Bhabani Prasad from Narayan School, Kolkata

Class : Class 6

Ans 6:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH

Class : Class 8

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