An object is acted on by three forces F1, F2 and F3 in suitable directions such that it remains at rest. Which of the following Combinations of the magnitude of the forces is/are possble?
F1 F2 F3
(1) 3N 4N 5N
(2) 3N 4N 7N
(3) 3N 5N 9N
A. (2) only B.(3) only
C. (1) and (2) only D.(1) and (3) only
Why B is the answer?
Phy CE past paper mc mechanics
2010-04-20 7:41 am
回答 (1)
2010-04-20 7:58 am
收錄日期: 2021-04-25 13:13:25
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