Two cars when applied same braking force, which car will cover more
distance before stopping? State the reason.
CAR A
200kg
300m/s
CAR B
120kg
400m/s
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Explanation:
The bigger the mass of a moving object, the bigger its moment.
The momentum of an object is directly proportional to its velocity AND its mass.
Momentum (p) is a vector quantity, it has both size and direction
Therefore the equation for momentum is ...
momentum (kilogram metre per second) = mass (kilogram) × velocity (metre per second)
momentum p (kg m/s) = mass m (kg) x velocity v (m/s)
p = m × v
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