Civil Engineering MCQs

Engineering Mechanics ? Curvilinear Motion Questions with solutions MCQs

1. A motorist on curved path radius 400 m, speed 108 km/h. Brakes applied, speed decreases uniformly at 1.5 m/s?. Determine acceleration magnitude.

A

2.56 m/s?

B

3.00 m/s?

C

2.96 m/s?

D

4.00 m/s?

Engineering Mechanics ? Curvilinear Motion J.E Civil (SD) 2025
Correct Answer : C
Explanation :

Speed=30 m/s. Centripetal acc= v?/r=900/400=2.25. Tangential=1.5. Resultant=?(2.25?+1.5?)=2.96 m/s?.

Correct Answered :

Wrong Answered :

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