Question

50 points
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.
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plz aolve the qurstion with full explanation​

Answer 1

_Solution_

The 2 Forces are acting on a body .

F¹ = 5 N

F² = 12 N

The Resultant Forces are 17 , 7 and 13 N

Let ∅ is Angle between 2 Forces

1) R = 17 N

by applying Formula

↪ (R)² = (F¹)² + (F²)² + 2F¹.F² Cos∅

↪ 289 = 25 + 144 + 120Cos∅

↪ 289 - 169 = 120Cos∅

↪120 = 120Cos∅

↪ 1 = Cos ∅

↪ Cos ∅ = 0°

2) R = 7 N

By _Apply_ Formula

(R)² = (F¹)² + (F²)² + 2F¹.F² Cos∅

↪ 49 = 25 + 144 + 120Cos∅

↪ 49 -169 = 120 Cos∅

↪ (-120) = 120 Cos∅

↪ (-1) = Cos∅

↪ Cos ∅= 180°

3) R = 13

By applying Formula

↪(13)² = 25 +167 +120Cos ∅

↪169 = 169 + 120Cos∅

↪ 0 = 120 Cos∅

↪ Cos∅= 90°

Hence ,

Option A is Correct

0°, 180°, 90°

Answer 2

Answer:

Option A

Explanation:

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