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question_answer1) P, Q and R are three coplanar forces acting at a point and are in equilibrium. Given P = 1.9318 kg wt, \[\sin {{\theta }_{1}}=\]0.9659, the value of R is ( in kg wt) [CET 1998]
question_answer2) A body is in equilibrium under the action of three coplanar forces P, Q and R as shown in the figure. Select the correct statement [AFMC 1994]
question_answer3) If a body is in equilibrium under a set of non-collinear forces, then the minimum number of forces has to be [AIIMS 2000]
question_answer4) How many minimum number of non-zero vectors in different planes can be added to give zero resultant
question_answer5) As shown in figure the tension in the horizontal cord is 30 N. The weight W and tension in the string OA in Newton are [DPMT 1992]
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