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Question 1
A particle of weight 24 N is held in equilibrium by two light inextensible strings. One string is horizontal. The other string is inclined at an angle of 30° to the ... show full transcript
Step 1
Answer
To find the value of P, we first examine the vertical forces acting on the particle. The weight of the particle is given as 24 N. The vertical component of the tension P can be expressed as:
In equilibrium, the total vertical forces must balance the weight of the particle. Thus, we can set up the equation:
Now substituting the known value of sin(30°), which is 0.5:
Solving for P gives:
Step 2
Answer
Next, we calculate the value of Q, which is the horizontal component of the tension in the string at an angle of 30°. The horizontal component can be expressed as:
Using the value of P we found earlier:
Knowing that ( ext{cos}(30°) = \frac{\sqrt{3}}{2} \ ext{ or } 0.866), we can substitute this into our equation:
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