person new international Edition physics concepts and connections art Hobson fif
ID: 1596997 • Letter: P
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person new international Edition physics concepts and connections art Hobson fifth edition 1. Is any down along a straight FORCE line When you slow How do you know? while you move in a circle at any force on you unchanging speed? How do you know? no near 3. A ball on a you bring a forces are exerted on the ball. Then the rolling ball, but you are not sure whether the magnet 18 exerts a magnetic force on the can you tell the magnet is exerting a horizontal force on the ball? 19 4. Does bullet contain force? Does a stick of dyna- mite contain force? NEWTON'S LAW OF MOTION 5. You place your book on a table and hit it horizontally with a hammer, strongly but briefly. Do not neglect friction. Describe the motion of the book, beginning from just before you hit it with the hammer. Describe the direction and strength of the net force on the book during the entire motion. 6. If you exert a force on an object and then exart thExplanation / Answer
2) When we move in a circle with uniform speed, the direction of motion changes with time therefore we are in accelereted motion.In order to maintain circular motion ,we need some external force that will provide centripetal acceleration.Some external force must act.(generally frictional force)
4) yes, high speed bullet has high linear momentum.
Dynamite stick doesnot contain any force because it has no momentum.
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