Which of the following are examples of levers?
Check all that apply.
A. a wheelchair ramp
B. a see-saw
C. a shovel
D. a baseball bat being swung

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

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

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?