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8 December, 13:17

A motorcycle has a mass of 250kg. It goes around a 13.7 m radius turn at 96.5 km/hr. What is the centripetal force?

a. 2.95x10^3 Nb. 4.31x10^4Nc. 1.31x10^4 Nd. 719N

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  1. 8 December, 13:29
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    Answer: c) 1.31 * 10⁴N

    Explanation:

    Centripetal force is a force that causes a body to move in a circular path. The body possesses a centripetal acceleration.

    According to newtons first law

    Force = mass (m) * acceleration (a)

    Acceleration of a body moving in a circular path = v²/r where;

    v is the velocity and r is the radius

    Force = MV²/r

    Given m = 250kg v = 96.5km/hr r = 13.7m

    We need to convert 96.5km/hr to m/s

    = 96.5km * 1000/1hr * 3600

    = 96,500/3,600

    v = 26.8m/s

    Force = 250 * 26.8²/13.7

    Force = 13,106.5N

    The centripetal force = 13,106.5N

    = 1.31 * 10⁴N
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