F=mrω²
It's the centripetal force equation. F represents the centripetal force exerted on an object in a circular motion. r represents the radius of the circular motion. ω represents the angular velocity which is 2π/period.
HKCEE A level paper: An object is in circular motion. It's period is 6.28s. The radius of the turn is 10m. The mass of the object is 1kg. Find the centripetal force exerted on the object.
By ω=2π/T
ω=1 rads^-1
By F=mrω²
F=(1)(10)(1)²
F=10N
By ω=2π/T
ω=1 rads^-1
By F=mrω²
F=(1)(10)(1)²
F=10N
F=mrω² by bored hong kong student July 4, 2022
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