A bus starts from the stop and takes $50$ second to get the speed of $10 m / s$ . If the mass of the bus along with passengers is $10000 k g$ , calculate the force applied by the engine of bus to push the bus at the speed of $10 m / s$ .

1000 N

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500 N

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2000 N

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10 N

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Solution

The correct option is C $2000 N$
Given : $m = 10000$ kg $u = 0$ m/s $v = 10$ m/s $t = 50$ s
Using $v = u + a t$
$∴$ $10 = 0 + a (50)$ $⟹ a = 0.2$ $m / s^{2}$
Thus force required $F = m a = 10000 \times 0.2 = 2000$ $N$

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A bus starts from the stop and takes 50 second to get the speed of 10 m/s. If the mass of the bus along with passengers is 10000 kg, calculate the force applied by the engine of bus to push the bus at the speed of 10 m/s.

The correct option is C 2000 NGiven : m=10000 kg u=0 m/s v=10 m/s t=50 sUsing v=u+at∴ 10=0+a(50) ⟹a=0.2 m/s2Thus force required F=ma=10000×0.2=2000 N

A bus starts from the stop and takes $50$ second to get the speed of $10 m / s$ . If the mass of the bus along with passengers is $10000 k g$ , calculate the force applied by the engine of bus to push the bus at the speed of $10 m / s$ .

The correct option is C $2000 N$
Given : $m = 10000$ kg $u = 0$ m/s $v = 10$ m/s $t = 50$ s
Using $v = u + a t$
$∴$ $10 = 0 + a (50)$ $⟹ a = 0.2$ $m / s^{2}$
Thus force required $F = m a = 10000 \times 0.2 = 2000$ $N$