Two cars of unequal masses use similar tyres. If thej are moving at the same initial speed,

Question

Two cars of unequal masses use similar tyres. If thej are moving at the same initial speed,

Two cars of unequal masses use similar tyres. If thej are moving at the same initial speed, the minimu stopping distance

(a) is smaller for the heavier car

(b) is smaller for the lighter car

(c) is same for both cars

(d) depends on the volume of the car.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

(c) is same for both cars

Explanation:

During slipping, the force of friction on a car = µMg (where M is the mass of the car and µ is the coefficient of kinetic friction.) The deceleration = Force/mass = µMg/M =µg This expression for deceleration is independent of M (Mass of the car), so the minimum slipping distance is same for both cars.