MCQOPTIONS
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				| 1. | 
                                    What is shear force? | 
                            
| A. | Force acting in direction parallel to surface of a body | 
| B. | Force acting in direction perpendicular to surface of a body | 
| C. | Force acting in direction longitudinal to surface of a body | 
| D. | Force acting in direction vertical to surface of a body | 
| Answer» B. Force acting in direction perpendicular to surface of a body | |