What happened to the ball when you brought the magnet close to it? What happened when you moved it further away? What does this tell you about magnetic force? What happened to the... What happened to the ball when you brought the magnet close to it? What happened when you moved it further away? What does this tell you about magnetic force? What happened to the ball when you dropped it? What does this tell you about gravity?
Understand the Problem
The question is asking about the observations related to magnetic force and gravity through a series of experiments. The user is required to describe the effects observed when a magnet is brought close to a metal ball and what occurs when the ball is dropped, focusing on the principles of magnetic force and gravity.
Answer
The ball moves towards a close magnet and less so when further away, showing magnetic force decreases with distance. Dropped, the ball falls due to gravity, which pulls objects downward.
When the magnet is brought close, the ball moves towards it if it's made of a magnetic material. When moved further away, the ball moves less due to decreased magnetic force. Magnetic force decreases with distance. When dropped, the ball falls due to gravity, showing that gravity pulls objects towards the Earth.
Answer for screen readers
When the magnet is brought close, the ball moves towards it if it's made of a magnetic material. When moved further away, the ball moves less due to decreased magnetic force. Magnetic force decreases with distance. When dropped, the ball falls due to gravity, showing that gravity pulls objects towards the Earth.
More Information
Magnetic force follows an inverse square or fourth-power law relative to distance, decreasing rapidly as distance increases. Gravity consistently pulls objects towards the center of the Earth, regardless of the composition of the object.
Tips
A common mistake is assuming magnetic force is constant regardless of distance. It actually decreases with increasing distance.
Sources
- Forces without contact - Education - education.vic.gov.au
- Magnetic Energy | Physics Van | Illinois - van.physics.illinois.edu
- Lenz's Law: Magnet Through a Copper Tube | Science project - education.com
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