Grade Upto college levelMechanics
Does friction always opposes motion of body ?
Does friction always opposes motion of body ?
10 Answers
Yogita Bang
yes
Anurag Kshatri
No, the direction of friction is always against the motion. But in some cases it helps in motion by providing the necessary ration force to start the motion though its direction is aginst the motion.
nitish kumar
friction opposes motion as well as helps motion
mayuri zope
Yes! FRICTION ALWAYS OPPOSES MOTION OF BODY.
MADHUKARGOUD SHEELAM
YES THIS IS CORRECT ANSWER
srikanth margm
yes.fricton is working always opposite to the motion
ASHWIN SRIKANTH
Consider, for example, a car accelerating forward. The tires push against the road in the backwards direction. Friction pushes in the forward direction and the car moves forward. Friction and motion are in the same direction. When a runner accelerates forward, the shoe pushes backwards, friction pushes forward and the runner moves forward. Friction and motion are going the same direction.
Khimraj
No it can support motion also when disc is rolling.Hope it clears. If u have doubts then please clearify. And if u like my answer then please approve answer
Jsent
Not always, friction can go the same direction of motion in this example:
two cube (1st in the bottom and 2nd in the top) stacked on top of each other. we push the cube in the bottom so both cube goes in the +x direction. the friction for the cube at the bottom is in the -x direction but the friction on the second cube should go to the x+ direction to prevent it from falling behind.
u dont know me
no not always because for eg
two cube (1st in the bottom and 2nd in the top) stacked on top of each other. we push the cube in the bottom so both cube goes in the +x direction. the friction for the cube at the bottom is in the -x direction but the friction on the second cube should go to the x+ direction to prevent it from falling behind.
Other Related Questions on mechanics
Three identical balls are placed on a frictionless
horizontal surface touching each other. They stick to
each other because of adhesive. Another ball of same
radius and mass m is placed over the void created by
the three balls. Find the forces applied by the balls
kept on the floor to each other if the system remains
in equilibrium.
Three identical balls are placed on a frictionless
horizontal surface touching each other. They stick to
each other because of adhesive. Another ball of same
radius and mass m is placed over the void created by
the three balls. Find the forces applied by the balls
kept on the floor to each other if the system remains
in equilibrium.
mechanics
Last Activity: 9 Months ago
A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.
11
21
31
41
A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.
11
21
31
41
mechanics
Last Activity: 9 Months ago
A metal strip clamped at one end vibrates with a frequency of 20 Hz and amplitude of 5 mmat the free end, where a small mass of 2 g is positioned. determine(i) The velocity of the end when passing through the zero position(ii) The acceleration at maximum displacement(iii) The maximum kinetic energy of the mass
A metal strip clamped at one end vibrates with a frequency of 20 Hz and amplitude of 5 mm
at the free end, where a small mass of 2 g is positioned. determine
(i) The velocity of the end when passing through the zero position
(ii) The acceleration at maximum displacement
(iii) The maximum kinetic energy of the mass
mechanics
Last Activity: 3 Years ago
If a=x² find the displacement at t =3sec if body velocity at t= 0 sec is 0
If a=x² find the displacement at t =3sec if body velocity at t= 0 sec is 0
mechanics
Last Activity: 3 Years ago