Answer to Question #1655 in Mechanics | Relativity for mara

Question #1655
A 44-kg penguin stands on ice. A helium balloon is attached to the penguin by means of a harness and pulls upward with a force of 76 N. What is the normal force of the ice on the penguin?
1
Expert's answer
2011-02-24T06:10:50-0500
The weight of the penguin is mg = 44[kg] * 10 [m/s2] = 440 N.
The normal force is N = mg - F = 440 - 76 = 364 N.

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