Stationary Car.
The forces on a stationary
car are shown below.
The weight of
the car is the force pushing
downward on the road.
Newton's Third Law tells us that the
weight of the car is opposed
by an equal and opposite force
pushing upward from the road.
This is called the reactive
force.
The forces are balanced
which satisfies Newton's
First Law
for a stationary object.
There are no other forces acting on the car.
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