Question

Hello,help me with this out please i need it hurry but please ensure your answer is correct..I attach here with my question.

Topic:Forces in equilibrium.
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Answer 1

.409 N

Step-by-step explanation:

For this to balance, the moments around the fulcrum must sum to zero.

On the left you have .21 ( is that down? I will assume it is)

Counterclockwise moments :

.21 * 40 + 1.0 * 20

Clockwise moments :

.5 * 20 + F * 45

these moments must equal each other

.21*40 + 1 *20 = .5 * 20 + F * 45

F = .409 N