Which statement describes a magnetic force?
Answer and explanation
Correct answer: D. acts on iron, nickel and cobalt
A magnetic force acts on iron, nickel and cobalt.
Answer: acts on iron, nickel and cobalt.
Why not the others: opposes motion between surfaces in contact: that describes friction. pulls objects towards the centre of the Earth: that describes gravity. slows an object moving through the air: that describes air resistance.
Answer: acts on iron, nickel and cobalt.
Why not the others: opposes motion between surfaces in contact: that describes friction. pulls objects towards the centre of the Earth: that describes gravity. slows an object moving through the air: that describes air resistance.
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