An external force is always required to break the inertia of a body wh

1.	An external force is always required to break the inertia of a body which is either in the state of rest or state of uniform motion.1. Which law governs this statement?2. Can all forces produce acceleration? Why?3. A boy holding a spring balance in his hand suspend a mass 2kg from it. If the balance slips from his hand and falls down, find the reading of the balance while it is in the air.
Answer» 1. Newtons first law of motion. 2. No. If resultant force acting on the body is zero, the body will move with constant velocity or remain at rest. 3. Zero

An external force is always required to break the inertia of a body which is either in the state of rest or state of uniform motion.1. Which law governs this statement?2. Can all forces produce acceleration? Why?3. A boy holding a spring balance in his hand suspend a mass 2kg from it. If the balance slips from his hand and falls down, find the reading of the balance while it is in the air.

Answer»

1. Newtons first law of motion.

2. No. If resultant force acting on the body is zero, the body will move with constant velocity or remain at rest.

3. Zero

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