In cricket match, while catching a fast-moving ball, a fielder in the ground gradually pulls his hands backwards with the moving ball to reduce the velocity to zero. The act represents

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Q: 116 (CDS-I/2014)
In cricket match, while catching a fast-moving ball, a fielder in the ground gradually pulls his hands backwards with the moving ball to reduce the velocity to zero. The act represents

question_subject: 

Polity

question_exam: 

CDS-I

stats: 

0,50,43,14,50,20,9

keywords: 

{'cricket match': [0, 0, 0, 1], 'ball': [1, 3, 13, 12], 'motion': [0, 0, 0, 3], 'fielder': [0, 0, 0, 1], 'newton': [0, 1, 0, 0], 'third law': [0, 0, 0, 1], 'first law': [0, 0, 1, 6], 'law': [0, 0, 0, 1], 'velocity': [0, 2, 2, 6], 'second law': [0, 0, 2, 6], 'ground': [2, 1, 4, 17], 'act': [7, 1, 13, 45], 'energy': [0, 0, 1, 2], 'hands': [0, 0, 1, 0], 'conservation': [3, 1, 9, 28]}

The correct answer is option 2, which represents Newton`s second law of motion. This law states that the force acting on an object is directly proportional to its mass and acceleration. In the given scenario, the fielder pulling his hands backwards is applying a force on the ball to reduce its velocity to zero. According to the second law, this force is proportional to the mass of the ball and the acceleration required to decelerate it.

Option 1, Newton`s first law of motion, states that an object at rest will stay at rest, and an object in motion will continue to move with a constant velocity unless acted upon by an external force. This option doesn`t apply here because the fielder is actively applying force to the ball to bring it to rest.

Option 3, Newton`s third law of motion, states that for every action, there is an equal and opposite reaction. While this law is applicable in various scenarios, it doesn`t directly apply to this particular situation.

Option 4, the law of conservation of energy, deals with the conservation of energy in a closed system, which is not directly related to the fielder catching the ball.