Question

which force is used to lift our school bag

Answer 1

Mascular force acts on it

Answer 2

Gravitational force is the ideal answer.

Gravitational force :

• The force of appeal among all masses withinside the universe in particular the enchantment of the earth's mass for our bodies close to its surface.

Explanation:

• While lifting an item from the basis is carried out with the aid of using us at the object is given through W=mgh, wherein variables have their regular meanings.  
• Hence, paintings became achieved by lifting an object from the ground and preserving it on a desk.
• It relies upon the weight of the item and the height of the ground from the top of the desk but is unbiased to the route taken with the aid of using the suitcase or the time taken in doing the work or the weight of the person.

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