Question
Asked Oct 31, 2019
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13 Two forces act concurrently on an object. The
magnitude of the resultant will be greatest when
the angle between the forces is
(1) 0°
(2) 60.°
(3) 90.0
(4) 180.°
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13 Two forces act concurrently on an object. The magnitude of the resultant will be greatest when the angle between the forces is (1) 0° (2) 60.° (3) 90.0 (4) 180.°

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Expert Answer

Step 1

Let us assume the magnitude of the two forces acting from the same point (concurrent) be equal i.e.

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F F F -F

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Step 2

Now,

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Resultant of the two vector (R) is given by: |R= F +F+2F,F, cos RF 2F cose R2F2(1+cose)

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Step 3

To attain the maximum resultant vector ...

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For R e must put 0= 0° RE=2F°(1+1) Imax R 2F Imax

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Science

Physics

Vectors and Scalars

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