What are these things? Background
I have recently decided to learn how to cook.

And I am finding many things in the kitchen.

So help!

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion