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Explain whether there can be any forces acting on a car moving in a straight line with constant speed.
17 years ago

Answers

Damon
the acceleration is zero, so the net horizontal force is zero. That means that friction, air resistance are exactly balanced by the thrust of the wheels from the torque of the engine.
In the vertical direction, the force up from the road exactly balances the force of gravity down plus any lift from the wind if the road is level.
17 years ago

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