Arigid body is rotating counterclockwise about a fixed axis. each of the following pairs of quantities represents an initial angular position and a final angular position of the rigid body. which of the sets can occur only if the rigid body rotates through more than 180?

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

What kind of simple machine is a catapult?

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above