PDF chapter test TRY NOW

1. A girl stands on a box having \(60\ cm\) length, \(40\ cm\) breadth and \(20\ cm\) width in three ways. In which of the following cases, pressure exerted by the brick will be
 
2. An apple falls from a tree because of gravitational attraction between the earth and apple. If F1 is the magnitude of force exerted by the earth on the apple and F2 is the magnitude of force exerted by apple on earth, then