The mass of a lift is $500 k g$ . What will be the tension in its cable when it is going up with an acceleration of $2.0 m / s^{2}$ :-

6000

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7000

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8000

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9000

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Solution

The correct option is A $6000$
Let the tension in the cable be T
The equation of motion for the lift is:
$T - m g = m a$ where $m =$ mass of the lift, $a =$ acceleration of the lift)
$\Rightarrow T = m (g + a)$
$\Rightarrow T = 500 (10 + 2) = 500 \times 12 = 6000 N$ .

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The mass of a lift is 500kg. What will be the tension in its cable when it is going up with an acceleration of 2.0m/s2 :-

The correct option is A 6000Let the tension in the cable be TThe equation of motion for the lift is:T−mg=ma where m=mass of the lift, a= acceleration of the lift)⇒T=m(g+a)⇒T=500(10+2)=500×12=6000N.

The mass of a lift is $500 k g$ . What will be the tension in its cable when it is going up with an acceleration of $2.0 m / s^{2}$ :-

The correct option is A $6000$
Let the tension in the cable be T
The equation of motion for the lift is:
$T - m g = m a$ where $m =$ mass of the lift, $a =$ acceleration of the lift)
$\Rightarrow T = m (g + a)$
$\Rightarrow T = 500 (10 + 2) = 500 \times 12 = 6000 N$ .