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a powerful motorcycle can produce an acceleration of 3.25 m/s2 while traveling at 75 km/h. at that speed the forces resisting motion, including friction and air resistance, total 650 n. (air resistance is analogous to air friction. it always opposes the motion of an object.) what force does the motorcycle exert backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 185 kg?



Answer :

uzairteacher

The force motorcycle exert backward on the ground to produce its acceleration is 1251.25 N,  if the mass of the motorcycle with rider is 185 kg.

Acceleration = 3.25 m/s^2

Resisting force Fr = 650 n

mass of rider = 185 kg

To find the force exerted backwards [tex]F_{b}[/tex]

[tex]F_{b}[/tex] = Fr +Ma

[tex]F_{b}[/tex] = 650 + (184)(3.25)

[tex]F_{b}[/tex] = 1251.25 N

The force motorcycle exert backward on the ground to produce its acceleration is 1251.25 N.

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