If the static friction between two surfaces P and Q is measured to be 50 N, then the sliding friction between these two surfaces is most likely to be :
A. 75N
B. 45N
C. 55N
D. 65N
Answer:B
If the static friction between two surfaces P and Q is measured to be 50 N, then the sliding friction between these two surfaces is most likely to be :
A. 75N B. 45N C. 55N D. 65N