Answered: During operation the jack hammer…

During operation the jack hammer strikes the concrete surface with a force which is indicated in the graph. To achieve this the 2.5-kg spike S is fired into the surface at 90 m/s. (Figure 1)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.

Question

Determine the speed of the spike just after rebounding.

During operation the jack hammer strikes the concrete
surface with a force which is indicated in the graph. To
achieve this the 2.5-kg spike S is fired into the surface at
90 m/s. (Figure 1)
Figure
1 of 1
F (kN)
1500
0 0.1
t (ms)
0.4

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