A 50 kg block rests on a horizontal floor. A minimum horizontal force of 147 N is required to start it in motion, and a minimum horizontal force of 97 N will keep the block moving with constant velocity once it has started.  a) Draw the figure b) Find the coefficient of static friction and coefficient of sliding or kinetic friction c) What is the friction force when a horizontal force of 48 N acts on the block

Q: Fiving he and the

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”