A person of mass 60 kg is inside a lift of mass 940 kg and presses...

A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel. The lift starts moving upwards with an acceleration

1.0 \mathrm{ m} / \mathrm{s}^2

. If

\mathrm{g}=10 \mathrm{ ms}^{-2}

, the tension in the supporting cable is A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel. The lift starts moving

A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel. The lift starts moving

Options

A8600 N
B9680 N
C11000 N
D1200 N

Correct answer

C. 11000 N

Step-by-step solution

Total mass

=(60+940) \mathrm{kg}=1000 \mathrm{ kg}

Let T be the tension in the supporting cable, then

T-1000 g=1000 \times 1\Rightarrow \mathrm{T}=1000 \times 11=11000 \mathrm{ N}

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