Question

Find out the minimum force that must be applied
on the block vertically downward so that block does
not move.
-
10kg
10 kg
100N
100 N
A = 0.5
ob on​

Answer 1

Answer:

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Answer 2

Given:

Refer the image.

To Find:

Minimum force that must be applied on the block vertically downward so that block does not move.

Solution:

100−fs=0

=> fs=100……….(1)

F+10g=N⇒N=100+F…………(2)

Now 0≤fs≤μN

100≤0.5N

100≤0.5[100+F]

200≤100+F

F≤100N

Hence, Minimum F = 100 N