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# Centre Of Mass

## A uniform steel rod of 1 m in length is bent in a 90 degree angle at its mid point. Determine the position of centre of mass from the corners at bent.

Asked by sudhanshubhushanroy 25th October 2017 8:56 PM

## A rope of length 30 cm is on a horizontal table with maximum length hanging from edge A of the table. The coefficient of friction between the rope and the table is 0.5 .The dist of C.M from the A is??

Asked by chandanbr6004 11th November 2017 3:52 AM

## ques2

Asked by rbhatt16 27th December 2017 11:28 PM

## define cemtre of mass of a body. find out an expression for position vector of centre of mass of a two particle system.

Asked by futureisbright051101 3rd March 2018 7:48 PM

## Sir Question no-1

Asked by shobhit 8th May 2018 8:31 AM

## Sir Question attached

Asked by shobhit 26th May 2018 2:53 PM

## Why does centre of gravity of a ring lies outside?

Asked by 21janhvi.verma 2nd June 2018 2:27 PM

## A circular plate of uniform thickness has a diameter of 56 cm. A circular portion of diameter 42 cm is removed from one edge of the plate. Find the position of the centre of mass of the remaining portion.

Asked by nasir.mirza 7th June 2018 10:27 AM

## Sir Pl solve question no-23

Asked by shobhit 23rd June 2018 12:03 AM

## The co ordinates of centre of mass of mass of paricle of mass 10,20,30gm are (1,1,1)cm.The position co ordinates of mass 40 gm which when added to the system,the position of combined centre of mass be at(0,0,0) are,

Asked by gantasasidharreddy 20th August 2018 9:50 PM

## X and Y components of acceleration of C.M are

Asked by m.nilu 12th September 2018 7:21 PM

## Two blocks A and B are connected by a massless string .A force of 30N is applied on block B.The distance travelled by centre of mass in 2s starting from rest is

Asked by m.nilu 12th September 2018 7:40 PM

## The velocity of centre of mass of the system as shown in the fig

Asked by m.nilu 16th September 2018 10:22 PM

## The fig shows the position and velocities of two particles.If the particles move under the mutual attraction of each other, then the position of centre of mass at t=1s is

Asked by m.nilu 17th September 2018 7:34 PM

## A small sphere of radius R is held against the inner surface of a larger sphere of radius 6R.The masses of large and small spheres are 4M and M respec.This arrangement is placed on a horizontal table.There is no friction bet any surfaces of contact.The small sphere is now released.Find the coordinates of the centre of the larger sphere when the smaller sphere reaches the other extreme position.

Asked by m.nilu 21st September 2018 6:13 PM

## A particle of mass 2kg moving with a velocity 5i m/s collides head on with another particle of mass 3kg moving with a velocity -2i m/s .After the collision the first particle has speed of 1.6m/s in negative x direction.Find velocity of the centre of mass after the collision, velocity of the second particle after the collision ,coefficient of restitution.

Asked by m.nilu 28th September 2018 8:44 PM

## A ball of mass 1 kg is suspended by an inextensible string 1 m long attached to a point O of a smooth horizontal bar resting on fixed smooth supports A and B. The ball is released from rest from the position when the string makes an angle 30° with the vertical. The mass of the bar is 4 kg. The displacement of bar when ball reaches the other extreme position is

Asked by hariom2083 13th October 2018 9:30 AM

## A boy of mass 25kg is standing on a stationary boat of mass 75kg. If the boy walks along the length of the boat at a speed of 1ms-1 with respect to the boat, find the velocity of the boat with respect to water. (Neglect friction from water on the boat)

Asked by varakalasuchi3 29th October 2018 6:06 PM

## Four identical spheres of mass M are placed at the corners of a side 2 metre taking the point of intersection of the diagonals the original coordinates of the centre of mass

Asked by bullurebaswaraj 16th December 2018 11:24 PM

### CBSE XI Science Physics

Asked by arup.isro 19th December 2018 10:52 PM

### CBSE XI Science Physics

Asked by arup.isro 19th December 2018 10:53 PM

### CBSE XI Science Physics

Asked by arup.isro 19th December 2018 10:54 PM

### CBSE XI Science Physics

Asked by arup.isro 19th December 2018 10:55 PM

## an isolated particle of mass m moving in horizontal plane [x-y] along the x axis at a certain height above the ground . it suddenly explodes into fragments of masses m/4 and 3m/4 . an instant later smaller fragment is at y=15 cm . the larger fragment at this instant is at

Asked by yoshiratnawat113 2nd January 2019 12:20 PM

## what is centre of mass??

Asked by akhileshkumarsinghbgw 26th January 2019 1:34 PM

## Why is it L/2?

Asked by 22bakugoku 25th March 2019 6:19 PM

## A  wedg ewith mass M rests on a frictionless horizontal tabletop . A block with mass m is placed on the wedge There is no friction between the block and the wedge the system is released from rest . calculate the acceleration of the wedge.

Asked by Srishti Ananya 14th July 2019 11:29 AM

## Shyam throws a heavy stoneout of his boat as a result the boat moves in the opposte direction , why?

Asked by kishor.kp14 25th July 2019 3:48 PM

## A rod kept vertically on a smooth horizontal surface at a point p . The rod is slightly tilted and released . Show that path followed by any other point except center of mass is elliptical

Asked by parikshitsingh854 22nd August 2019 10:18 PM

## Two masses m and 3m are suspended from a light frictionless pulley with the help of a massless string.if the system is set free find the acceleration of the centre of mass

Asked by Debdulal 27th September 2019 2:40 PM

## What is the centre of mass of sector of the circle. Explain with diagram

Asked by rushabh1234 17th October 2019 6:05 AM

## The figure shows a uniform square plate from which four identical squares at the corners will be removed. (a) Where is the center of mass of the plate originally? Where is it after the removal of (b) square 1; (c) squares 1 and 2; (d) squares 1 and 3; (e) squares 1, 2, and 3; (f) all four squares? Explain briefly

Asked by rushabh1234 21st October 2019 9:49 PM

## A man has constructed a toy as shown in fig. If the density of the material of the sphere is 12 times that of the cone then determine the position of the centre of mass. [Centre of mass of a cone of height h is at height of h4 from its base.]

Asked by rushabhjain.a 21st October 2019 10:03 PM

## What is the centre of mass of pyramid? Explain briefly with examples

Asked by polyrelation 21st October 2019 10:11 PM

## What is the centre of mass of parabolic spandral ? Explain briefly with diagram

Asked by rushabhjain.a 23rd October 2019 7:16 PM

## What is the centre of mass of parabolic area

Asked by rushabhjain.avv 23rd October 2019 7:18 PM

## What is the centre of mass of arc of semicircle and arc of circle?explain briefly with diagram

Asked by rushabhjain.a 24th October 2019 1:52 PM

## Two block A and B each of mass 2kg is connected through an ideal soring of constant 100n/m .and placed on smooth surface .the spring is streched by 2cm and the system is released from rest .the speed of centre of mass of system when both block have same speed

Asked by ashutosharnold1998 20th November 2019 1:36 PM

## If a heavy spring of uniform density and mass m is hung vertically so that it is stretched by gravity under its own weight, where is the center of mass?

Asked by rushabhjain.av 20th November 2019 10:00 PM

## What is the centre of mass of hoop? Explain briefly with diagram

Asked by rushabhjain.a 1st December 2019 6:57 PM

## In the image all four identical spheres having mass'm'are there. Find COM of the system.

Asked by patra04011965 8th December 2019 10:00 PM

## Find V1 and V2 when the ball reaches the point A.

Asked by patra04011965 11th December 2019 1:57 PM

## how does the centre of rolling ball move when there is both circular and rectilinear motion

Asked by chauhan.shiwangi 20th January 2020 9:11 PM

## ⭕ No need to solve complete question... Formula to be applied is  Ycm = (M1R1 +M2R2)/M1 + M2 Explain me the value of R2 ( it is given 5R , but i don't know how it came) ⭕Ref Re to attachment ⭕

Asked by jhajuhi19 30th January 2020 6:19 PM

## Initially stable two particles X and Y start moving towards each other under mutual attraction.If at one time the velocity of X and Y v and 2v respectively.What will be the centre of mass of the system?

Asked by akhiltr55 19th February 2020 11:03 PM

## What is the difference between centre of gravity and the centre of mass

Asked by Shiprapandey2906 18th March 2020 5:20 PM

## please solve the question attached

Asked by binu 24th March 2020 8:53 PM

## select the correct option

Asked by ashutosharnold1998 18th April 2020 12:14 PM

## WHY IS CENTRE OF MASS OF 2 PARTICLES IS IN BETWEEN THE LINE JOINING 2 OBJECTS?

Asked by kavukattunora 25th November 2020 9:56 AM

## find the centre for mass for given system of a mass

Asked by js05 1st February 2021 8:51 PM

## masses 8,2,4,2 kg are placed at the corners A,B,C,D of a square ABCD whose diagonal is 80cm . the distance of COM from A is

Asked by 1901020030 26th February 2022 8:54 PM

## A tube of mass 2m and radius 'R' is kept on smooth horizontal surface. A small sphere of mass m kept inside tube is imparted velocity v_{0} along y axis as shown in figure. The sphere just fits into the tube. Motion of particle and tube take place in horizontal plane and there is no friction at any contact. Then, speed of particle when it reaches point B is

Asked by salonirajpal123 15th March 2022 7:19 AM

## Two particles having mass ratio n : 1 are interconnected by a light inextensible string that passes over a smooth pulley. If the system is released, then the acceleration of the centre of mass of the system is

Asked by urvirohira15 9th April 2022 10:00 AM

## Two particles having mass ratio n : 1 are interconnected by a light inextensible string that passes over a smooth pulley. If the system is released, then the acceleration of the centre of mass of the system is

Asked by ekta.b 9th April 2022 10:48 AM