Answer :
He reaches the bottom of the pole in the time of 2.6 sec .
What is force ?
Mechanics compels any action intended to maintain, alter, or distort the motion of an object. The concept of force is commonly explained using Isaac Newton's three laws of motion. According to Newton's first principles, an object at rest, or in uniform linear motion, will remain in that state until a force is applied. The second law states that when an external force acts on an object, it will accelerate (change in velocity) in the direction of the force. The magnitude of acceleration is directly proportional to the magnitude of the external force and inversely proportional to the amount of matter in the body. Newton's third law states that when one object exerts a force on another object, the second object exerts the same force on the first object. This principle of action and reaction explains why forces tend to deform objects (that is, change their shape), whether or not they move them. Object deformation can usually be ignored when studying object motion.
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