resultant 1

Classical Mechanics Level 1

Two forces 8 N 8N and 10 N 10N acting in the same direction on a body. Calculate the resultant force.

6 17 2 18

Samuel Ayinde by samuel ayinde , 24, Nigeria

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4 solutions

Assume the 2 forces as vectors. Using resultant law of Vectors: R=√ a² + b² + 2abcosǾ cos is the minimum anti-clockwise angle between 2 vectors, hence:- R=√64 + 100 + 2 8 10*1 [ as cos0 = 1 ] R=√324 R= 18

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just add them

aman sharma - 6 years, 10 months ago
Jai San
Jul 2, 2014

Simple they both get added up

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Mehdia Nadeem
Jul 1, 2014

Since both the forces are acting on the body in the same direction so they will enhance each others effect, hence we add their magnitudes 8+10=18 N

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Samuel Ayinde
Jun 20, 2014

Since they are moving in the same direction.

You add up the two forces....

so the answer is 18 N 18N

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