This true it will be visible if they are covered
Answer:
Explanation:
Given
Force applied 
Door is
wide
for gate to revolve Properly Pivot Point must be at center i.e. 1.5 from either end
Torque applied is
Maximum torque



<span>fast-moving particles colliding with slow-moving particles</span>
Density=mass/volume. if you know any 2 of these variables, you can figure out the missing one