Question

Figure shows two blocks connected by a light inextensible string. A force of 10N is applied on the bigger block at 60 degree with horizontal then the tension in the string connecting the two masses is -

a) 5N
b) 2N
c) 1N
d) 3N

Answer - 2

Answer 1

the solution is given in the image.

Answer 2

Answer: The tension in the string is 2 N.

Explanation:

Given that,

Force f = 10 N

Angle $\theta = 60^0$

We know that,

$F = ma$

The total acceleration of the system is

$a = \dfrac{Fcos\theta}{m_{1}+m_{2}}$

$a = \dfrac{10\times 1}{2\times5}$

$a = 1 m/s^2$

Therefore, the tension acting on the 2 kg block is

$T = ma$

$T = 2\times 1$

T = 2 N

Hence, The tension in the string is 2 N.