1. A motorcycle access ramp is inclined at an angle of 0.21 radians climbing a total of 0.69 meters. A storm the ramp is covered with ice. A 53 kg man wishes to push his girlfriend on the motorcycle (with a combined mass of 93 kg) up the ramp. He pushes with a force in the horizontal direction perpendicular to gravity. The coefficients of friction between the man's shoes and the ice are µk= 0.0096 and µs=0.0106. The bearings in the motorcycle allow the wheels to turn without friction. a) Draw a free body diagram of the forces acting on the man while the incline b) Can he push the motorcycle up the ramp without clipping?

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.