Question

56. Following sets of three forces act on a body.
Whose resultant cannot be zero
(a) 10, 10, 10
(b) 10, 10, 20
(c) 10, 20,23
(d) 10,20,40
57: When three forces of 50 N, 30 N and 15 N act
on a body, then the body is
(a) At rest
(b) Moving with a uniform velocity
(c) In equilibrium
(d) Moving with an acceleration
58. The sum of two forces acting at a point is 16 N.
tant force is 8 N and its direction is​

Answer 1

Answer:

okmmggg

Explanation:

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Answer 2

Explanation:

56. THE RESULTANT FORCE IS ZERO WHEN BOTH THE FORCES ARE EQUAL.

So the ans is (a).

57. I think the answer will be (d).

58. I can't understand the question you have given