Acceleration due to gravity is always downwards. How will you write it vectorially if `+Y` is
(a) downwards, (b) upwards.

How acceleration due to gravity changes with depth 'd'.

The acceleration due to gravity is always down word i.e., along the -ve y direction can be choose this direction as the positive direction for the acceleration due to gravity

The acceleration due to gravity is always down word i.e., along the -ve y direction can be choose this direction as the positive direction for the acceleration due to gravity

How acceleration due to gravity change due to the shape of earth.

Out of xylem and phloem, which one carries materials: (a) upwards as well as downwards? (b) only upwards?

In the figure shown ,acceleration of 1 is x (upwards). Acceleration of pulley p_(3) with respect to pulley p_(2) is y (downwards) and acceleration of 4 with respect to pulley p_(3) is z (upwards). Then match the following

Weight always acts vertically downwards