Physics Questions
Explore questions in the Physics category that you can ask Spark.E!
Magnetic force is measured in milliTesla. Which of the following measurements could be true if we took a reading 1 cm from a strong magnet and 1 cm from a weak magnet and compared them?
When two magnets are held near each other but not released which of the following is true?
The space around a magnet where magnetic forces can act on objects
A set of interacting parts forming a complex whole.
In a system of magnets, there is a repelling force with ______ poles.
in a system of magnets, there is a repelling force between like poles and an attracting force between _____________________________ poles
A spaceship is traveling through space. Suddenly, its speed increases. What can you say about the kinetic energy of the spaceship?
In a system of two attracting magnets, in order to move the magnets against the magnetic force, the magnets must be moved...
When a compass is near a bar magnet, what happens to a compass needle as you move the compass around?
heat from inner core causes liquid _______________to move producing a magnetic field around the ___________________
Connects the opposite magnetic poles; north pole to south pole.
a magnetic force can _______________________ or ________________________ an object at a distance.
A magnetic force can attract and repel an object at a distance.
Why is the magnetic field produced by a solenoid stronger than that of a single wire for the same amount of current?
What object allow light through it but scatters the light so the rays change direction and an image cannot be seen through it?
What objects allow light to be transmitted without changing direction of movement?
if the image is smaller than the object, the magnification is?
the nearer the object is to the lens, what happens to the image
what is formed when the object is nearer to the lens than the principal focus
when each point on the wavefront reaches the barrier, what does it create?