wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In the figure shown, if the block does not slide down the plane when a force of 10 N is applied perpendicular to the plane, find the coefficient of static friction between the plane and the block. Take g=10 m/s2


A
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
13
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
13
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 13
FBD of the block can be shown as


Perpendicular to the plane ΣFy=0
N=10+10cos60=15 N
Along the plane, since block is at rest
a=0
So, we have the force equation as
10sin60=f=μN μ=10sin60N
μ=10sin6015=10315×2=13

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Friction: A Quantitative Picture
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon