Q.

A horizontal force of 10 N is applied to a block of mass 2 kg resting on a rough horizontal table. Then normal force applied on the block by the table is g=10m/s2

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a

20 N upward

b

20 N downward

c

10 N downward

d

10 N upward

answer is C.

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Detailed Solution

Question Image

 

 

 

 

 

 

m=2kg

g=10m/s2

N=?

N=mg=2×10

N=20Nup ward 

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