Q.
The coefficients of static and dynamic friction are 0.7 and 0.4. The minimum force required to create motion is applied on a body and if it is further continued, the acceleration attained by the body in ms–2 is (g = 10m/s2)
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a
7
b
4
c
3
d
Zero
answer is C.
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Detailed Solution
Fnet=ma,FR=fS−fk,a=μs−μKg
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