Final answer:
The schoolwork questions provided are centered around high school level physics concepts relating to forces, motion, and energy, often requiring understanding of Newton's laws, work-energy theorem, and momentum conservation.
Step-by-step explanation:
The provided schoolwork questions all relate to principles of classical mechanics within the field of physics, specifically focusing on concepts such as force, friction, motion, and work. Concepts like acceleration, constant force, collision, cart systems, and kinetic friction are all central to these questions. For instance, to determine the speed of a pushed cart, one would use the work-energy theorem, which relates the work done on an object to its kinetic energy. Similarly, the collision of two carts adhering to each other involves the conservation of momentum. Calculating the forces exerted by people pushing a car or the work done while pushing a shopping cart would also require a good understanding of Newton's laws of motion and work-energy principles.