Engineering Mechanics - KOP: Work and Energy - Discussion

Discussion :: KOP: Work and Energy - General Questions (Q.No.2)

2. 

A car having a mass of 2 Mg strikes a smooth, rigid sign post with an initial speed of 30 km/h. To stop the car, the front end horizontally deforms 0.2 m. If the car is free to roll during the collision, determine the average horizontal collision force causing the deformation.

[A]. Favg = 4500 kN
[B]. Favg = 9000 kN
[C]. Favg = 347 kN
[D]. Favg = 694 kN

Answer: Option C

Explanation:

No answer description available for this question.

Niran said: (Feb 14, 2017)  
Please give the answer description.

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