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Which of the following is not a property of a null vector?
Given a + b + c + d = 0, which of the following statements are correct.
Two vectors A and B inclined at an angle θ have a resultant R which makes an angle α with A. If the directions of A and B are interchanged, the resultant will have the same
Three forces of magnitude 6 N, 6 N and √72 N act as a corner of a cube along three sides as shown in fig. Resultant of these forces is
Rain is falling vertically with a speed of 35ms−1. Winds starts blowing after sometime with a speed of 12ms−1 in east to west direction. At what angle with the vertical should a boy waiting at a bus stop hold his umbrella to protect himself from rain?
116 videos|451 docs|188 tests
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116 videos|451 docs|188 tests
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