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Answer to Question #3962 in Mechanics | Relativity for Nikka

Question #3962
Calculate the force needed to hold a 2000 kg car on a ramp that makes an angle of 30 degrees with the horizontal, if the force is to be applied parallel to the ramp.
Expert's answer
Refer to the image below:
https://www.assignmentexpert.com//assignments/uploaded_files/static/a4/36/a4363538e5ddec46b6cdd2182a35e631.bmp

The force required to hold 2000 kg car is equal to the projection of the weight on the ramp:
F = mg sin 30 = 2000*10*1/2 = 10 000 N.

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