Which one does not describe weight (three are true, pick the one that is false)? a. never changes b. is a force c. changes with g d. symbol is W

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

In the first law of thermodynamics, triangle e=q-w, what does q stand for