A toy airplane with a mass of exactly 0.200 kg is tied to a 1.50 m string. The other end of the string is attached to the ceiling. The toy airplane is moving in a horizontal circle with a constant speed, v. The angle θ between the string and the vertical direction is 30.0◦. (a) What is the tension in the string? (b) Given that this is Uniform Circular Motion, ?nd the tangential velocity of the toy airplane, v.

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.