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SOLUTIONS TO CONCEPTS CHAPTER 6 1.  2.  Let m   mass of the block From the freebody diagram, velocity a R     mg   0     R...
Chapter 6 6.  To make the block move up the incline, the force should be equal and opposite to the net force acting down t...
Chapter 6 2     4t  4t   1 0  1.656     4     16     16     0.207sec 2    4 8 Time taken to cover next half meter is 0.21s...
Chapter 6 13.  T  a  B  A  a  R  T1  B T  T1     R  a A 15kg  C 15kg  15g 15a  r 5g  5g  5a  5g  From the free body diagra...
Chapter 6     R     ma                     ma R  max frictional force                     a        g     9m   s2  Decelera...
Chapter 6 19. From the free body diagram a M1     R1  M2a  R1     R2  a  M2  R2         T  T  R1  M1 g cos     ... i  M2g ...
Chapter 6     T          R   mg    0  From equn.  ii       T         R         mg   0     T          Mg   T          mg   ...
Chapter 6 2g  4N A 2 kg B 3 kg C 7 kg  3g  10N  10N  3kg 15N R 5g  b  When the 10N force is applied to the 3kg block, it c...
Chapter 6     F          mg    ma       u mg     ma    0     F         mg       ma         mg       ma   0     F   2     m...
Chapter 6 R1     ma   0     R1   ma ... i  Again, 2ma   T     mg      1R1   0     T   mg      2        1 ma     ii  From f...