Determine the tension on a 1M long string with a 300g iron ring at the end,...

Question

Question

Determine the tension on a 1M long string with a 300g iron ring at the end, swung so that the ring completes one turn every 0.3 seconds.

science physics

Answer 1

Answer #1

Time period , T = 0.3 s

= 2π/0.3 = 20.94 rad/s

Tension in string is given by,

= 0.3 ×20.94² × 1

= 131.6 N

( note, m= 300 g = 0.3 kg, r is radius of circle and is equal to length of string)

Answer 2

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