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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

Choose the best answer. A car traveling at constant speed has a net force of zero acting on it. (a) True (b) False (c) The answer depends on the motion.

To determine
The net force on a car moving with constant speed.

Explanation

Acceleration is the rate of change of velocity. The net force on the car is zero when its acceleration is zero.

The formula for force from Newton’s second law is,

F=ma

  • m is the mass of the car.
  • a is the acceleration.

Conclusion:

When the car travels in a straight line with constant speed, the acceleration is zero. This is because the magnitude and direction of velocity is constant

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