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Sir, can you please elaborate question number 4 and 5. I am unable to understand them.

Sir, can you please elaborate question number 4 and 5. I am unable to understand them.

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Grade:12th pass

3 Answers

Arun
25750 Points
3 years ago
Dear student
 
Please ask knly onw question in one thread. As it ia against forum policy.
Hope you understand
Arun
25750 Points
3 years ago
4.
 
fmax = 0.3×2×10
a of block wrt ground is 2m/s2 which is provided by f = ma=2×2=4N
 
Relative a = 2-5= -3m/s2
Displacement=1/2at2= 1/2×-3×2×2=-6m
 
Work done = f.s = 4 ×-6=-24J
 
 
Hope it helps
Vikas TU
14149 Points
3 years ago
Dear student 
Please ask single question in a thread , 
It will be easier for us to ans. 
Good Luck 
Cheers 

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