Question

The tension in the string in the pulley system shown in the figure is –

• A. 75 N
• B. 80 N
• C. 7.5 N
• D. 30 N

Answer 1

Answer: (A)

75 N

Answer 2

T = $\frac { 2 \mathrm {~m} _ { 1 } \mathrm {~m} _ { 2 } } { \mathrm {~m} _ { 1 } + \mathrm { m } _ { 2 } }$ g = $\frac { 2 \times 6 \times 10 } { 16 }$ × 10 = 75 N