When magnets will attract
Potential energy in magnets set to repel, close together
Is the potential energy high?
Electromagnets work when
Do electromagnets work when they are turned on?
Can a spaceship escape a black hole
100
100
When magnets will repel
Is it when the poles are the same
Potential energy when magnets are set to attract, close together
Is there less potential energy?
Are there poles on an electromagnet
Are there poles?
What does a gravitational field depend on
Does it depend on mass?
200
200
Does a magnet facing north and a magnet facing south attract or repel
Do they attract?
Potential energy when magnets are set to attract, far apart
Is the potential energy high?
Can they be changed?
What does a gravitional force have in common with a magnetic and electrostatic force
Does it also depend on the distance between the field and an object in its vicinity?
300
300
Does a magnet facing north and a magnet facing north attract or repel
Do they repel?
Potential energy when the magnets are set to attract, close together
Is there less potential energy?
Do electromagnets attract or repel iron, regardless of the orientation of their poles
Do they attract the iron?
Does a blackhole have a strong or weak gravitational force
Does it have a strong gravitational force?
400
400
Definition of potential energy
Is it energy that is stored in an object or system?
The potential energy is ______ when the magnets move against a _________
More densly coiled wires on electromagners are better or worse than less densly coiled wires on the electromagnet?
Are they better than their counterpart?
Can light escape a black hole
Can light not escape a black hole?
500
500