Centripetal force question A-level

Classical Mechanics Level 2

A car, mass m m , drives over a circular humpback bridge of radius r r with a constant speed v v . When it is at the top of the bridge, the magnitude of the force exerted on the car by the bridge is given by

m v 2 r − m g \frac {mv^2}r - mg m v 2 r + m g \frac {mv^2}r + mg m g − m v 2 r mg - \frac {mv^2}r m g mg

LightErenYeager Rahman by LightErenYeager Rahman , 20, Qatar

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