PLEASE AND THANKS Exercise 3: Write an equation for the magnitude (component for

Question

PLEASE AND THANKS

Exercise 3: Write an equation for the magnitude (component form) of the net torque on the object about point o for the diving board which is in rotational equilibrium in the figure below. (4) net If an object is in static d ilibrium, both conditions must be met, i e. net net y F. (50 (6) and Exercise 4: The above conditions are expressed through equations (3) and (4) for the diving board in static equilibrium. Use equations (3) and (4) to write an expression for F1 and F2 in terms of L, d and F3

Explanation / Answer

considering the foces in the vertical direction

F3 = F1 + F2.............................1

considering the moment aboyt point O

F3 x L - F2 x d - F1 x 0 = 0

F2 = F3 L /d.....................2

thus

from 1 and 2

F1 = F3 [1 - L /d ]

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