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Here are some examples of Newton's laws of motion problems with answers:

  1. Problem: A car is traveling at a constant speed of 60 mph on a straight road. What is the net force acting on the car? Answer: Since the car is moving at a constant speed, the net force acting on it is zero according to Newton's first law of motion.

  2. Problem: A 10 kg box is pushed with a force of 20 N. What is the acceleration of the box? Answer: Using Newton's second law of motion (F ma), the acceleration of the box is 2 m/s2.

  3. Problem: A ball is thrown vertically upwards with an initial velocity of 20 m/s. How high does the ball go before it starts to fall back down? Answer: By applying Newton's laws of motion and kinematic equations, the ball reaches a maximum height of 20.4 meters before falling back down.

These examples demonstrate how Newton's laws of motion can be applied to solve various physics problems.

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