1.

Choose the correct option according to the angle between force and direction of displacement. Coloumn1Coloumn21.θ is zero i) Work done is always zero2.θ is less than 900ii) Work done is non-negative3.θ is greater than 900iii) Work done is always positive4.θ is 900iv) Work done is never positive

Answer»

Choose the correct option according to the angle between force and direction of displacement.

Coloumn1Coloumn21.θ is zero i) Work done is always zero2.θ is less than 900ii) Work done is non-negative3.θ is greater than 900iii) Work done is always positive4.θ is 900iv) Work done is never positive




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