
Grade 12th pass10 grade science
Frictional force between two bodies:
A. adds the motion between two bodies
B. opposes relative motion between contact surfaces of the bodies
C. sometimes helps and sometimes opposes the relative motion
D. increases the relative velocity between the bodies
Frictional force between two bodies:
A. adds the motion between two bodies
B. opposes relative motion between contact surfaces of the bodies
C. sometimes helps and sometimes opposes the relative motion
D. increases the relative velocity between the bodies




