The frictional force acting on $1 \,kg$ block is .................. $N$
Medium
Download our app for free and get started
(a)
If both move together $a=\frac{10}{101} \simeq 0.1 \,m / s ^2$
Now, $F_{\text {net }}=1(0.1)=0.1 \,N$
$f_L=(0.5)(1)(g)=5 \,N$
So, $f=0.1 \,N$
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1The upper portion of an inclined plane of inclination $\alpha $ is smooth and the lower portion is rough. A particle slides down from rest from the top and just comes to rest at the foot. If the ratio of the smooth length to rough length is $m : n$ , the coefficient of friction isView Solution
- 2Two blocks $A$ and $B$ are released from the top of a rough inclined plane so that $A$ slides along the plane and $B$ falls down freely. Which will have higher velocity on reaching the ground ?View Solution
- 3View SolutionA car accelerates on a horizontal road due to force exerted by
- 4Value of $\theta$ is increased gradually from $\theta = 0$ At $\theta=tan^{-1}(\frac{1}{2})$ both the block just start slipping. Then value of $\mu_2$ is : $(g = 10 m/s^2)$View Solution
- 5A body is moving along a rough horizontal surface with an initial velocity $6\,\,m/s.$ If the body comes to rest after travelling $9\, m$, then the coefficient of sliding friction will beView Solution
- 6A boy of mass $4\, kg$ is standing on a piece of wood having mass $5 \,kg$. If the coefficient of friction between the wood and the floor is $0.5,$ the maximum force that the boy can exert on the rope so that the piece of wood does not move from its place is ......$N.$(Round off to the Nearest Integer) [Take $g=10 \,ms ^{-2}$ ]View Solution
- 7A horizontal force of $4\,N$ is needed to keep a block of mass $0.5\, kg$ sliding on a horizontal surface with a constant speed. The coefficient of sliding friction must be :- $[g = 10\, m/s^2]$View Solution
- 8Consider a block kept on an inclined plane (inclined at $45^{\circ}$ ) as shown in the figure. If the force required to just push it up the incline is $2$ times the force required to just prevent it from sliding down, the coefficient of friction between the block and inclined plane $(\mu)$ is equal toView Solution
- 9Two blocks $A$ and $B$ of masses $6\, kg$ and $3\, kg$ rest on a smooth horizontal surface as shown in the figure. If coefficient of friction between $A$ and $B$ is $0.4$, the maximum horizontal force which can make them without separation is ........ $N$View Solution
- 10$Assertion$ : On a rainy day it is difficult to drive a car or bus at high speed.View Solution
$Reason$ : The value of coefficient of friction is lowered due to wetting of the surface