a bob hanged to astrirg in a box .it is diisplaced to an agle of 45 .then fid the acceleration of the box at thismoment.

answer is gsin45,that is 10/1.4142.as it would have only tangential accelaration.

this is the acceleration of the bob.we have to find the acceleration oof the box.

                         /|

                       /x| g

                     /    |

                   /____|

                     a

tan x= a/g   

1=a/g

a=g

hence. acc of the block is opposite to the direction of its displacement

|a|=g=10 m/s^2.(ANS).

a=g/4

gtan(theta)