which of the following pair of force can be added to give a resultant of 5 Newton ?ans with reason 1• 2N and 8N 2• 3N and 10N

Question

which of the following pair of force can be added to give a resultant of 5 Newton ?ans with reason
1• 2N and 8N
2• 3N and 10N
3• 2N and 6N
4• 10N and 20N​

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RuslanHeatt 4 years 2021-08-02T03:40:46+00:00 1 Answers 32 views 0

Answers ( )

  1. Xavia
    0
    2021-08-02T03:42:13+00:00
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    Answer 1.

    Supposed the force forms a triangle with 60 degrees,

    The total vertical force will be
    (2cos60 ) + (8cos60) = (1) + (4) = 5N.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )