A heavy ball is suspended as shown in the figure given below. A quick jerk on the lower string will break that string but a slow pull on the lower string will break the upper string. The first result occurs because Lower string

examrobotsa's picture
Q: 59 (NDA-II/2010)
A heavy ball is suspended as shown in the figure given below. A quick jerk on the lower string will break that string but a slow pull on the lower string will break the upper string. The first result occurs because Lower string

question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,5,8,2,1,5,5

keywords: 

{'heavy ball': [0, 0, 1, 0], 'ball': [1, 3, 13, 12], 'upper string': [0, 0, 1, 0], 'lower string': [0, 0, 1, 0], 'inertia': [0, 0, 4, 3], 'string': [0, 0, 2, 2], 'slow pull': [0, 0, 1, 0], 'force': [0, 0, 0, 2], 'air friction': [0, 0, 1, 0], 'quick jerk': [0, 0, 1, 0], 'action': [1, 0, 4, 13], 'reaction': [1, 0, 5, 18]}