Homework Help: PHYSICS HELP

Posted by Suzanne on Monday, October 16, 2006 at 8:30pm.

A 525-N trunk is placed on an inclined plane that forms an angle of 30.0 degrees with the horizontal. What are the components of the weight parallel to the plane and normal to the plane?

Memorize this:

weight normal = mg cosTheta
weight parallel= mg Sin Theta.

PHYSICS HELP - Tanaya, Tuesday, November 23, 2010 at 7:35pm
Well, if your equations are correct (which they are), then simple multiply 525 N, which is mg or weight, by the cosine of 30, then by the sine of 30.
PHYSICS HELP - Jessi, Sunday, October 21, 2012 at 4:12pm
weight normal is about 81 and weight parallel is about -519
PHYSICS HELP - Correct answer, Monday, December 10, 2012 at 1:49pm
Normal = 454.7 lbs
Parallel = 263 lbs

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