Question

Which of the following activities is easier to perform on a drum of 10 kg?Required to answer. Single choice.

(1 Point)

(a) Dragging the drum

(b) Lifting the drum

(c) Rolling the drum

(d) All of the above need the same effort
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Answer 1

Answer:

(c) Rolling the drum

Explanation:

The drag menas air resistance or fluid resistane. So the dragging a box means that the box is pulled against the air or fluid flow. The lifting box means that it is pulled against gravity. The rolling drum means it is moving on a horizontal or incline plane. Thus, the friction force will less for rolling drum and so it will be easier activity.

Answer 2

The answer is rolling the drum