First slide

Connected bodies

Question

Three blocks of masses 2 kg, 3 kg and 5 kg are connected to each other with light string and are then placed on a frictionless surface as shown in the figure. The system is pulled by a force F = 10 N, then tension T₁ is :

Easy

A

1 N
B

5N
C

8N
D

10N

Solution

Acceleration $= \frac{10}{2 + 3 + 5} = 1 m / s^{2}, T_{1} = (3 + 5) a = 8 \times 1 = 8 N$

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