A child's toy consists of three blocks as shown in figure. The blocks have mases m 1 , m 2 and m 3 ( m 1

Question

A child's toy consists of three blocks as shown in figure. The blocks have mases $m_{1}, m_{2}$ and $m_{3} (m_{1} < m_{2} < m_{3})$ . If they are pulled to the right with a horizontal force ' F ', mark the correct statement ( $T = Tension$ in the string.)

TestHub · Accepted Answer

a 1 ​ = a 2 ​ = a 3 ​ = m 1 ​ + m 2 ​ + m 3 ​ F ​ m 1 ​ + m 2 ​ + m 3 ​ T A ​ ​ = m 2 ​ + m 3 ​ T B ​ ​ = m 3 ​ T C ​ ​ T B ​ T A ​ ​ = T C ​ ( 1 + m 3 ​ m 2 ​ ​ ) ⇒ m 3 ​ m 2 ​ ​ < 1 ⇒ T B ​ < 2 T C ​ = T B ​ ( 1 + m 2 ​ + m 3 ​ m 1 ​ ​ ) ⇒ m 2 ​ + m 3 ​ m 1 ​ ​ < 1 ⇒ T A ​ < 2 T B ​ ​

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