Question

ard & Competitive Exams.
Laws of Motion
57
Blocks shown in figure moves with constant velocity 10 m/s towards right. All surfaces in contact are rough. The
friction force applied by groundon block b is

20 N
B
[ Ground
Ground
(1) ON
M3 (2) 20 N
Vucorst
(3) 10 N
(4) Insufficient data
- 0​

Answer 1

Answer:

the answer is 4) insufficient data

Explanation:

As there is only velocity given and for finding the frictional force we should be given the mass of the object as the formula of force is m x a .

Answer 2

Answer:

option 2....,20N................