Thursday
May 5, 2016

# Homework Help: physics

Posted by Jodie on Tuesday, July 22, 2008 at 10:59pm.

A box,is resting on a smooth(frictionless)table.The mass of the box is 10 kg. (a)Determine the weight of the box and the normal force acting on(b)If the box is pushed down with a force of 40 Newton determine the normal force(c) If the box was pulled up with a force of 40 Newton,what now is the normal force on the box?

I know the question is long but I would greatly appreciate it if you solved it ..thank you!!!
• physics - drwls, Tuesday, July 22, 2008 at 11:22pm

(a) The weight is M g = 98 N.
(b) If you push down with 40 N force, add that to the weight
(c) If you pull up with a 40N force, subtract that from the weight.

• physics - Eevee, Thursday, March 19, 2015 at 9:12pm

Dear student,

okay now lets understand that i cant give answers but my explanations...i might as well tell you the answer LO xD now Drwls said (a) The weight is M g = 98 N.
(b) If you push down with 40 N force, add that to the weight
(c) If you pull up with a 40N force, subtract that from the weight. Correct i would say that too BUT... theirs a ALOT SIMPLE WAY FAS (force,add,subb

Eevee,

p.s need more help?