Question

Praveen is unable to lift a box that is on ground. The force that make it difficult to so is....
1)friction 2)gravity 3) the weight of the box 4)the weight of the Praveen
a)1 and 2 only, b)1 and 3 only, c) 2 and 3 only, d)3 and 4 only​

Answer 1

Answer:

option b is the right answer.

because the box in in static friction and also the friction will be higher with increase in weight of an object.(here-box).

Answer 2

Answer:

option c is the right answer...