Question

please answer it fast​

Answer 1

Answer:

the correct answer is option 200N

Answer 2

Answer:

Solution:

In rough horizontal surface two forces are acting on the block.

So 40 N Frictional Force (f)

f = uN = umg / applied force

f = 40 × 10 ×10 / 20

f = 4000 / 20

f = 200N