1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

# The figure shows a spool placed at rest on a horizontal rough surface. A tightly would string on the inner cylinder is pulled horizontally with a force F. Identity the correct alternative related to the friction force f acting on the spool

A
f acts leftwards
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
B
f acts leftwards but nothing can be said about its magnitude
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
C
f<F but nothing can be said about its magnitude
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
None of the above
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
Open in App
Solution

## The correct option is C f<F but nothing can be said about its magnitudeTorque of F about P is clockwise. So, spool will move towards right. Torque of motion will provide the clockwise torque about centre. Sof is leftwards. Further, a is towards right, so, F>f

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
Centre of Mass in Galileo's World
PHYSICS
Watch in App
Explore more
Join BYJU'S Learning Program