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Tin is helping his mother rearrange the bedroom furniture. He pushes on a bed with a force of 250 N directed at an angle of

Tin is helping his mother rearrange the bedroom furniture. He pushes on a bed with a force of 250 N directed at an angle of 20° above a horizontal line while his mother pushes with a force of
120 N directed at an angle of 30° below the same horizontal.

 (a) What is the vector sum of these two forces?

 (b) What is the direction of the resultant force?

 



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