Question

31. The masses M1, M2 and M3 of the three bodies shown in figure
are 5, 2 and 3 kg respectively. Calculate the value of T1, T2 and
T3. When (1) Whole system is going upward with an acceleration
of 2ms ? & (ii) Whole system is stationary. Given g=9.8 ms-2​

Answer 1

Answer:

120N

Explanation:

Given,

a=2ms

−2

g=9.8ms

−2

​

For T

1

​

T

1

​

−5g−T

2

​

=5×2=10

T

1

​

−5g−T

2

​

=10

​

For T

2

​

T

2

​

−T

3

​

−2g=2×2=4

T

2

​

−T

3

​

−2g=4

​

For T

3

​

T

3

​

−3g=3×2=6

T

3

​

−2=6g

T

3

​

=36N

​

Solving the equtions,

T

2

​

−36−20=4

T

2

​

=60N

T

1

​

=10+50+60=120N

​