Mechanical Engineering > GATE 2022 SET-2 > Forces
A rope with two mass-less platforms at its two ends passes over a fixed pulley as
shown in the figure. Discs with narrow slots and having equal weight of 20 N each
can be placed on the platforms. The number of discs placed on the left side platform
is π and that on the right side platform is π.
It is found that for π=5 and π=0, a force πΉ= 200 N (refer to part (i) of the figure) is just sufficient to initiate upward motion of the left side platform. If the force πΉ is removed then the minimum value of π (refer to part (ii) of the figure) required to prevent downward motion of the left side platform is______ (in integer).
It is found that for π=5 and π=0, a force πΉ= 200 N (refer to part (i) of the figure) is just sufficient to initiate upward motion of the left side platform. If the force πΉ is removed then the minimum value of π (refer to part (ii) of the figure) required to prevent downward motion of the left side platform is______ (in integer).
Correct :
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