What happens to a fuse to stop the flow of charges through it?

Can anybody me with this? ? (picture included.)

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.