Question

18. In the arrangement shown, the normal reaction
between the block A and ground is
2 kg
4 kg
(1) 10 N
(2) 20 N
(3) 40 N
(4) Zero​

Answer 1

Explanation:

N=mg

N=4×10

N=40N

answer is 40N

Answer 2

Answer:

(2)20 N

Explanation:

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