Question

Two equal forces of magnitude P represents the components of resultant. The angle made by the resultant with horizontal is degree.​

Answer 1

Answer:

60° is the answer of the question

Answer 2

Answer:

The angle would be 120 degrees.

Explanation:

STEP 1:

When two equal forces of some magnitude P form the results then the angle made by the 2 forces is given by the equation,

$R^{2}$ = $A^{2}$ + $B^{2}$ + 2ABcosФ

where R is the resultant

A and B are the 2 forces

Ф is the angle subtended by two forces.

STEP 2:

$R^{2}$ = $P^{2}$ + $P^{2}$ + 2PPcosФ

$P^{2}$ = 2$P^{2}$ + 2$P^{2}$cosФ

$P^{2}$cosФ = $P^{2}$(1-2)

cos Ф = -1/2

Ф = 120°

Therefore the angle between the resultant of two equal forces is 120 degrees.