A bus starts from the rest, accelerates constantly and takes 50 seconds to get the speed of $10 \frac{m}{s}$ . If the mass of the bus along with passengers is 10000 kg, calculate the force applied (in N) by the engine of the bus to push the bus to the speed of $10 \frac{m}{s}$ ?

___N

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Solution

According to the question:

Initial velocity (u) = 0, final velocity (v) = 10m/s, time (t) = 50 second, Mass (m) = 10000 kg,

Therefore, force (F)=?

We know that, $F o r c e (F) = m \frac{v - u}{t}$
$T h e r e f o r e, F = 10000 k g \frac{10 - 0}{50}$
$\Rightarrow 10000 k g \times \frac{1}{5} \frac{m}{s^{2}}$

$F = 2000 k g \frac{m}{s^{2}} o r, 2000 N$

Thus required force = 2000 N

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A bus starts from the rest, accelerates constantly and takes 50 seconds to get the speed of 10ms. If the mass of the bus along with passengers is 10000 kg, calculate the force applied (in N) by the engine of the bus to push the bus to the speed of 10ms? ___N

According to the question: Initial velocity (u) = 0, final velocity (v) = 10m/s, time (t) = 50 second, Mass (m) = 10000 kg, Therefore, force (F)=? We know that, Force (F) = m v−ut Therefore, F =10000 kg 10−050 ⇒ 10000 kg ×15ms2 F=2000 kg ms2or, 2000 N Thus required force = 2000 N

A bus starts from the rest, accelerates constantly and takes 50 seconds to get the speed of $10 \frac{m}{s}$ . If the mass of the bus along with passengers is 10000 kg, calculate the force applied (in N) by the engine of the bus to push the bus to the speed of $10 \frac{m}{s}$ ?

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