Question

A 4kg mass is resting on a horizontal surface. For this surface M = 0.6 & H = 0.2. Force
required to move the body with 5ms 2 acceleration is (g = 10ms?)
A) 20N
B) 24N
C) 28N
D) 32N
pls tell what formulae to use..​

Answer 1

Answer:

ANSWER

F

max

=(

10

6

)40

=2μN

=5m/s

2

⇒F−f

k

=m(5)

⇒F−

10

2

×40=20

F=25N

∴ Option C is correct .

Explanation:

You will solve like that!!!