1. what is true about all forces? a. they are unbalanced b. they involve more than one object c. they cause objects to moved. d. they cancel each other out

What is special about a dc circuit ?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion