# sideways force on the train passenger

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Consider a train that rounds an unbanked curve with a radius of 600m at a speed of 160 km/hr. The sideways force on a train passenger of 70 kg is equal to?

Â© BrainMass Inc. brainmass.com September 29, 2022, 1:49 pm ad1c9bdddfhttps://brainmass.com/physics/circular-motion/sideways-force-train-passenger-151013

## SOLUTION This solution is **FREE** courtesy of BrainMass!

The sideways force is the centripetal force.

so F = mv^2/r (^2 is the square of v)

here the speed v = 160 km/hr = 160*1000 / 3600 (m/s) = 44.44 m/s

the radius of the cicular motion r = 600 m

then the centripetal force is

F = 70 * 44.44^2 / 600 = 230.45 N

so the sideways force is 230.45 N.

https://brainmass.com/physics/circular-motion/sideways-force-train-passenger-151013