Calcule la masa y el peso de un cuerpo; considere que con una fuerza resultante de 400N si se produce una disminucion de 4m/s en su velocidad de 3 s

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.

If we decrease the amount of force and keep all other factors the same what will happen to the amount of work