Question

1.A body accelerates when balanced force acts on it .comment on this
statement.
2.its easier to push an empty box than the box full of books. Give reason and mention the law.

PLEASE ANSWER THIS QUESTION

Answer 1

Explanation:

1 a body never accelarate when balanced force acts.

2 because more mass more inertia because inertia depends on mass.

Answer 2

Answer:

1. A body can never accelerate when a balanced force acts on it. In order for a body to change its natural state [ motion or rest ] , an unbalanced fore must act on it.
2. Frictional force is defined as the force which generally opposes the motion of a body [ at times , it supports the motion ] . Friction is caused due to the interlocking of the ridges of the two surfaces. If the mass of the body is heavier , the friction increases but if the body is lighter , it decreases.In the above case , the mass of a box filled with books is more when compared to that of an empty one. Hence it is easier to move an empty box rather than a full one.

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