Explain everything you know about acceleration. Include definitions, formulas, and examples. Some of the points I will be looking for include: free fall, circular motion, direction changes, and the difference between speed and acceleration.

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question