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Question1

A fishing pole is 2.00 m long and inclined above horizontal at the angle of 20.0°. A fish is pulling on it with a force of 100N 37-degrees below horizontal. What is torque exerted by the fish about an axis perpendicular to the page and passing during the hand of the person holding the pole?

Question2

A wheel starts from rest and rotates with constant angular to reach angular speed of 15.0 rad/s in 3.0s. Find out the magnitude of angular acceleration of the wheel and an angle in radians through that rotates in this time interval.

Question3

(a) A very powerful vacuum cleaner has a hose 2.86 cm in diameter. With no nozzle on hose, what is weight of the heaviest brick it can lift?

(b) A very powerful octopus uses one sucker, of diameter 2.86 cm, on each of the two shells of a clam, in an attempt to pull the shells apart.

Find out the greatest force octopus can exert in salt water

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