Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 4, Problem 12SP

An essentially weightless pulley that is effectively without friction is attached to a ceiling hook. A very lightweight rope is passed over the pulley and hangs down on both sides. A 200.0-N load is then hung from each end of the rope. What is the value of the tension in the rope? Determine the net downward force on the hook.

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A makeshift swing is constructed by making a loop in one end of a rope and tying the other end to a tree limb. A child is sitting in the loop with the rope hanging vertically when the child’s father pulls on the child with a horizontal force and displaces the child to one side. Just before the child is released from rest, the rope makes an angle of 15 with the vertical and the tension in the rope is 280 N. (a) How much does the child weigh? (b) What is the magnitude of the (horizontal) force of the father on the child just before the child is released? (c) If the maximum horizontal force the father can exert on the child is 93 N, what is the maximum angle with the vertical the rope can make while the father is pulling horizontally?
A box is hanging at rest from the ceiling by two ropes. The rope on the left (Rope 1) forms a 20degree angle with the ceiling and has a total tension of 25N. The box on the right (Rope 2) forms a 32degree angle with the ceiling and has a total tension of 15N.  What is the weight of the box? What is the mass of the box? A person ties a 2.5 g ball to the end of a 200 cm rope and swings it around in a circle directly over their head. It takes the ball 1.2 seconds to move around the circle one time. What is the velocity of the ball? What is the magnitude of the centripetal acceleration of the ball? What is the magnitude of the centripetal force on the ball?  What type of force provides the centripetal force?
A 6.00 kg sled is pulled across a frictionless horizontal surface by a rope that makes a 42 degree angle with the horizontal. The tension in the rope is 30 N. Calculate the normal force on the sled?

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Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)

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