what car experiences more impulse - one stopped by a wood block fixed in place, or one stopped by a foam noodle that is allowed to move?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

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

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical