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Which two conditions are essential for work to be done according to the concept of work in physics?

Condition 1: A force should act on a object.

Condition 2: The object should be displaced.

Condition 3. The object should be displaced only in horizontal direction.

Condition 4. The magnitude of the force must be more than 1 N.

A) Conditions 1 and 2                                 

B) Conditions 1 and 3

C) Conditions 1 and 4

D) Conditions 2 and 4

E) None of these