Resultant 4

Classical Mechanics Level 1

A 20 N 20N force acting at an angle 3 0 ∘ 30^\circ to the horizontal. Find the value of horizontal component and vertical component?

20.5N and 25N None of the answer 17.32N and 10N 20N and 30N

Samuel Ayinde by samuel ayinde , 24, Nigeria

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2 solutions

Samuel Ayinde
Jun 21, 2014

to calculate for horizontal component, F cos ⁡ θ F\cos\theta is used

therefore = 20 cos ⁡ 30 20\cos{30}

so the answer is 17.32 N 17.32N ....

to calculate vertical component, F sin ⁡ θ F\sin\theta is used

therefore = 20 sin ⁡ 30 20\sin{30}

so the answer is 10 N 10N ....

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Kevin Patel
Jul 17, 2014

Of course 2nd would be less than the first.

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