Home
Class 11
PHYSICS
There are two blocks A and B in contact ...

There are two blocks A and B in contact with vertical and horizontal smooth surface respectively Acceleration of A and B are `a_a and a_B` respectively along their constrained direction of motions. Relation between `a_A and a_B` is (Assume sin `23^(0) =2/5` )

A

If N is the interaction force between block-B and block-A, then interaction force between block A and wall is `sqrt(21)/s`N

B

If N is the interaction force between block-B and block-A, then interaction force between block-A and wall is `2/5` N The relation between accelerations of

C

block-A and block-B, `a_A/a_B =2/5`

D

The relation between accelerations, of block-A and block-B is,`a_A/a_B=2/sqrt21`

Text Solution

Verified by Experts

The correct Answer is:
B, D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) (LEVEL - II) ( Linked Comprehension Type Questions )|4 Videos
  • NEWTONS LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) (LEVEL - II) (Integer Type Questions )|6 Videos
  • NEWTONS LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) (LEVEL - II) (Straight Objective Type Questions)|7 Videos
  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise Questions for Descriptive Answers|7 Videos
  • OSCILLATION

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|12 Videos

Similar Questions

Explore conceptually related problems

If A and B are (-2, -2) and (2, -4) respectively, find the coordinates of P on AB such that AP = (3)/(7) AB.

Two teams A and B have the same mean and their coefficients of variance are 4, 2 respectively. If sigma_(A), sigma_(B) are the standard deviations of teams A, B respectively then the relation between item is

Knowledge Check

  • If the position vectors of A, B are 2a - 3b, 3a + 2b respectively then the position of vector of C in AB produced such that AC = 2 AB is

    A
    3a + 2b
    B
    3b - 2a
    C
    4a + 7b
    D
    5b - 2a
  • Let the position vectors of two points A and B be a+b+c and a-2b+3c , respectively. If the points P and Q divide AB in the ratio 1 : 3 internally and externally respectively, then 3|AB|=

    A
    `4 |PQ|`
    B
    `3 |PQ|`
    C
    `1/2 |PQ|`
    D
    `2 |PQ|`
  • If the position vectors of A,B are 2a-3b, 3a+2b respectively then the position vector C in AB produced such that AC=2AB is

    A
    4a+7b
    B
    5b-2a
    C
    3a+2b
    D
    3b-2a
  • Similar Questions

    Explore conceptually related problems

    Block B is placed on a smooth surface. Block A is placed on rough surface of block B with coefficient of friction 0.60. The masses of A and B are 2kg and 4kg respectively. The frictional force between A and B (in N) for the situation is nx2 the value of n is.

    The figure shows blocks in contact and kept on a smooth horizontal surface. What is the ratio of force exented by block A on B to that of B on C. (m_A=5kg , m_B =2kg,m_c =1kg)

    The coordinates of two consecutive vertices A and B of a regular hexagon ABCDEF are (1,0) and (2,0), respectively. The equation of the diagonal CE is

    A5 is an ionic solid. The ionic radii of A+and B are respectively r andr. Lattice energy of AB is proportional to

    Two blocks A and B of the same mass and surface finish are sliding on the same surface. Area of contact of A is twice that of the B. The frictional force between A and the surface is