This diagram shows a 40-kg object being pulled in one direction while friction acts on it in the opposite direction. Friction
20 N
Pull
140 N
40 kg
What is the net force on the object?
A 140 N
B. 20 N
C. 160 N
D. 120 N
Sign ou

The reaction q+r2=r2q is found to be first order in r2 and

Which of the following molecules is polar? c3h7oh c2h5cooh

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.