A lorry and a car moving with the same K.E. are brought to rest b… - Vidyadip

MCQ

A lorry and a car moving with the same K.E. are brought to rest by applying the same retarding force, then

A
Lorry will come to rest in a shorter distance
B
Car will come to rest in a shorter distance
✓
Both come to rest in a same distance
D
None of the above

✓

Answer

Correct option: C.

Both come to rest in a same distance

(c) Stoppingdistance $=\frac{\text { kineticenergy }}{\text { retarding force }} \Rightarrow s=\frac{1}{2} \frac{\mathrm{mu}^2}{\mathrm{~F}}$If lorry and car both possess same kinetic energy and retarding force is also equal then both come to rest in the same distance.

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