In a stable stack of identical boards at the edge of a table, the center of gravity of the top board

A. must lie above the next lower board.
B. need not lie over anything.
C. must lie above the bottom board.
D. must lie above the table.


Answer: A

Physics & Space Science

You might also like to view...

Show that thermal conductivity is proportional to temperature to the 1/6-th power for a liquid according to Bridgeman’s equation (2-6).

Physics & Space Science

What is the net force inward acting on a spherical bathysphere of diameter 2.00 m at an ocean depth of 1000 m? (The pressure inside the bathysphere is, hopefully, 1 atm.) ?sea water = 1.02 × 103 kg/m3.

A. 1.26 × 104 N B. 1.26 × 106 N C. 1.26 × 108 N D. 1.26 × 1010 N E. 1.26 × 102 N

Physics & Space Science

Almost all stars on the main sequence range from 0.1 to 15 solar radii

Indicate whether the statement is true or false

Physics & Space Science

An example of a convective cloud is the

A) nimbostratus. B) cumulus. C) cirrocumulus. D) altostratus.

Physics & Space Science