Class 11PhysicsNewton's Laws of Motion and FrictionMix Examples-Newton's Laws of Motion and Friction
MediumFill in the blanks:
$(a)$ The friction acting on both wheels of a moving bicycle is in the ..... direction.
$(b)$ Friction depends on the ........... and ........ of the contact surfaces.
$(c)$ The necessary condition for parking a vehicle on a banked,curved road is ...........
$(d)$ The time rate of change of momentum gives the physical quantity ...........
$(a)$ The friction acting on both wheels of a moving bicycle is in the ..... direction.
$(b)$ Friction depends on the ........... and ........ of the contact surfaces.
$(c)$ The necessary condition for parking a vehicle on a banked,curved road is ...........
$(d)$ The time rate of change of momentum gives the physical quantity ...........
(N/A) Opposite (to the direction of motion).
$(b)$ Nature (roughness/smoothness),material.
$(c)$ $\tan \theta \leq \mu_{s}$ (where $\theta$ is the banking angle and $\mu_{s}$ is the coefficient of static friction).
$(d)$ Force.
$(b)$ Nature (roughness/smoothness),material.
$(c)$ $\tan \theta \leq \mu_{s}$ (where $\theta$ is the banking angle and $\mu_{s}$ is the coefficient of static friction).
$(d)$ Force.
Explore More
Similar Questions
On a stationary sail-boat,air is blown at the sails from a fan attached to the boat. The boat will
Easy
View Solution$A$ cold soft drink is kept on a balance. When the cap is opened,the weight reading on the balance:
Easy
View SolutionAn object of mass $M$ is placed on a rough horizontal surface (coefficient of friction $\mu$). $A$ person tries to pull the object by applying a horizontal force,but the object does not move. The force $F$ exerted by the surface on the object is:
Medium
View SolutionThe system shown in the figure is in equilibrium and at rest. The spring and string are massless. Now,the string is cut. The acceleration of mass $2m$ and $m$ just after the string is cut will be:
Medium
View Solution$A$ parachutist with a total mass of $75 \,kg$ drops vertically onto sandy ground with a speed of $2 \,m/s$ and comes to a halt over a distance of $0.25 \,m$. The average force exerted by the ground on her is close to ............ $N$.
DifficultKVPY 2015
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo