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1) What is the effective force acting to push a 57lb object up a 35 degree slope?

2) A person walks 450 feet at an angle of 53 degrees N of W. How far is the displacement west and how far north?

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The expert calculates the effective force and displacement.

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1) What is the effective force acting to push a 57lb object up a 35 degree slope?
Let the effective force be F
The vertical component of this force is ...

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