A 750g ball is attached to a 1.00m long string, as shown in the figure to the ri

Question

A 750g ball is attached to a 1.00m long string, as shown in the figure to the right. The ball is allowed to move in a horizontal circle of radius 60.0cm. The string traces out the surface of a cone. What is the tension in the string?

A 750g ball is attached to a 1.00m long string, as shown in the figure to the right. The ball is allowed to move in a horizontal circle of radius 60.0cm. The string traces out the surface of a cone. What is the tension in the string?

Explanation / Answer

angle made by the string with vertical = sin^-1(0.3/1) = 17.46 degrees T*cos(17.46) = m*g => T *0.954 = 0.75*9.8 => T = 7.704 N

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