If you stand on the ground and hold your hand palm-up, the atmosphere (air

  • Thread starter Thread starter physics2010
  • Start date Start date
P

physics2010

Guest
surrounding you)? If you stand on the ground and hold your hand palm-up, the atmosphere (air surrounding you) exerts a force of about 800 N on the palm of your hand. Compared to the following forces,
1. the force on the back of your hand
2. the force on your palm when you are holding your hand vertically,
3. the force on your palm when you are holding your hand palm-down.
the 800 N force on your upraised palm is:
a. equal to 1 but different from 2 and 3
b. different from 1, 2, and 3
c. equal to 2 and 3 but different from 1
d. equal to 1, 2, and 3

UH? please help explain this question! Thx!
 
Back
Top