An object of mass 8kg is attached to massless string of length 2m and swum with a tangential velocity of 3 what is the tension o

Question

Delvig [45]

2 years ago

10

An object of mass 8kg is attached to massless string of length 2m and swum with a tangential velocity of 3 what is the tension o

n the string

Physics

1 answer:

Paul [167] · Answer 1 · 2022-04-22T10:20:40+03:00

Answer:

36 N

Explanation:

If the object of mass, m = 8 kg is swung in a horizontal circle of radius, r = 2m = length of string with tangential velocity v = 3 m/s, the tension in the string is the centripetal force which is T = mv²/r

= 8 kg × (3 m/s)²/2 m

= 4 kg × 9 m/s²

= 36 N