Fulcrum Force
Neglecting the beam's mass, calculate the fulcrum force applied to the beam.
Expand Hint
Since the beam is balanced, we can sum the forces in the y-direction to determine the fulcrum force.
Since the beam is balanced, we can sum the forces in the y-direction to determine the fulcrum force.
$$$+ \uparrow \sum F_y=0: -95\:lbs+-25\:lbs+F=0$$$
$$$+ \uparrow \sum F_y=0: -120\:lbs+F=0$$$
$$$+ \uparrow \sum F_y=0: F= 120\:lbs$$$
120 lbs
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