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

What should be the value of coefficient of static friction between the tyre and the road, when a car travelling at speed of 60 kmh1 makes a level turn of radius 40 m?

A
0.5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
0.66
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
0.71
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
0.80
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 0.71
Applying equation for frictional force as centripetal force at the circular turn gives,
f=mv2r
Here, f is magnitude of frictional force.
μmg=mv2r
μ=v2rg=(60×518)240×9.8=0.71

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Circular Motion: A Need for Speed
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon