Plzzz hel mee Using Newton's 2nd law, explain why it takes more force to push a 50 kg adult than a 25 kg child along the same surface.​

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

e/c, where e is its total energy