What is the net force on a cart that is pulled to the right with 100 pounds of force and to the left with 30 pounds of force?
a. the net force is 70 pounds to the right.
b. the net force is 130 pounds.
c. the net force is 70 pounds to the left.
d. the net force is zero.

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Is a copper wire a conductor or insulator?