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Document Title
Fundamentals of Stress and Vibration 2. Engineering Mechanics Chapter
[A Practical guide for aspiring Designers / Analysts]

‡– —• ‘™ –ƒ„—Žƒ–‡ –Š‡ †‡ ‡Ž‡”ƒ–‹‘ ƒ† •–‘’’‹‰ –‹‡ ˆ‘” –Š‡ ˆ‘—” ƒ”•Ǥ

Car Stopping distance Deceleration Time

Car 1 30 meters 12.86 m/s 2.16 s
2

Car 2 32 meters 12.06 m/s 2.304 s
2
Car 3 34 meters 11.35 m/s 2.448 s
2

Car 4 36 meters 10.72 m/s 2.592 s
2

– ƒ „‡ ‘„•‡”˜‡† –Šƒ–ǡ ƒ •‹‰‹ϐ‹ ƒ– Šƒ‰‡ ‹ †‡ ‡Ž‡”ƒ–‹‘ †‘‡• ‘– ƒŽ–‡” –Š‡ •–‘’’‹‰
–‹‡ ƒ• •‹‰‹ϐ‹ ƒ–Ž›Ǥ
‡– —• ‘™ –ƒ„—Žƒ–‡ –Š‡ •–‘’’‹‰ †‹•–ƒ ‡ ˆ‘” †‹ˆˆ‡”‡– ˜‡Ž‘ ‹–‹‡• ˆ‘” ƒŽŽ –Š‡ ˆ‘—” ƒ”•Ǥ

Stopping Stopping Stopping Stopping
Velocities distance for distance for distance for distance for
car 1 car 2 car 2 car 2

200 km/hr 120 meters 127.96 meters 135.97 meters 143.96 meters

150 km/hr 67.5 meters 71.97 meters 76.48 meters 80.98 meters

120 km/hr 43.2 meters 46 meters 48.95 meters 51.82 meters

90 km/hr 24.3 meters 25.91 meters 27.53 meters 29.15 meters

60 km/hr 10.8 meters 11.5 meters 12.24 meters 12.96 meters

30 km/hr 2.7 meters 2.88 meters 3.06 meters 3.24 meters

QP No. SSC/Q4401, Version 1.0, NSQF Level 7, Compliant with Aero and Auto Industries, P
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Copyright Diary No – 9119/2018-CO/L