1.

Choose the correct option according to the angle θ between force and direction of displacement. Coloumn1Coloumn21. θ is zeroi) Work done is always zero2. θ is less than 900ii) Work done is non−negative 3. 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 θ between force and direction of displacement.

Coloumn1Coloumn21. θ is zeroi) Work done is always zero2. θ is less than 900ii) Work done is nonnegative 3. θ is greater than 900iii) Work done is always positive4. θ is 900iv) Work done is never positive




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