There are many familiar situations in which the net force on a body is zero and yet the body moves with a constant velocity.
One example is described below:
A car traveling at constant speed on a straight road has the force of the road on the tires just balanced by the force of air friction. If the gas pedal is depressed further, the tires will push against the road harder and the road will push against the tires harder; so the car will accelerate forward – until the air friction builds up enough to balance the greater drive force.
Give another example of a body moving with constant velocity under balanced forces. Specify the cause of each force on the body and explain how these forces could be changed to affects the body’ motion.
Stacey Warren - Expert brainly.com
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