English
Tamil Nadu Board of Secondary EducationHSC Science Class 11

An object of mass m begins to move on the plane inclined at an angle θ. The coefficient of static friction of inclined surfaces is µs. The maximum static friction experienced by the mass is ______ - Physics

Advertisements
Advertisements

Question

An object of mass m begins to move on the plane inclined at an angle θ. The coefficient of static friction of inclined surfaces is µs. The maximum static friction experienced by the mass is ______

Options

  • mg

  • µsmg

  • µsmg sinθ

  • µs mg cosθ

MCQ
Fill in the Blanks

Solution

An object of mass m begins to move on the plane inclined at an angle θ. The coefficient of static friction of inclined surfaces is µs. The maximum static friction experienced by the mass is µs mg cosθ.

shaalaa.com
Friction
  Is there an error in this question or solution?
Chapter 3: Laws of motion - Evaluation [Page 161]

APPEARS IN

Samacheer Kalvi Physics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 3 Laws of motion
Evaluation | Q I. 10. | Page 161

RELATED QUESTIONS

Suggest a few methods to reduce friction.


State the empirical laws of static and kinetic friction.


Briefly explain ‘rolling friction.'


A block of mass m slides along a floor while a force of magnitude F is applied to it at an angle θ as shown in figure. The coefficient of kinetic friction is µK. Then, the block's acceleration 'a' is given by ______.

(g is acceleration due to gravity)


A uniform chain of length 3 metres and mass 3 kg overhangs a smooth table with 2 metres laying on the table. If k is the kinetic energy of the chain in joule as it completely slips off the table, then the value of k is ______.

(Take g = 10 m/s2)


If a body of mass m is moving on a rough horizontal surface of coefficient of kinetic friction µ, the net resultant force exerted by surface on the body is ______.


A chain of mass 'M' and length 'L' is put on a rough horizontal surface and is pulled by constant horizontal force 'F' as shown in the figure. The velocity of the chain as it turns completely ______.

(Coefficient of friction = μ)

 


The coefficient of static friction between a car's tires and a level road is 0.80. If the car is to be stopped in a maximum time of 3.0 s, its speed cannot exceed.


Starting from rest, a body slides down a 45° inclined plane in twice the time it takes to slide down the same distance in the absence of friction. The coefficient of friction between the body and the inclined plane is ______.


A block of mass 10 kg starts sliding on a surface with an initial velocity of 9.8 ms-1. The coefficient of friction between the surface and bock is 0.5. The distance covered by the block before coming to rest is ______.

[use g = 9.8 ms-2]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×