Compare the sizes of the forward force and the backward force when the car is speeding up PLS HELP!!! :))

Is a pencil falling to the floor anon contact force, a force, or a contact force

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:

No copying 15 pts how does a free-body diagram tell you about the net force on an object?