Question

which statement best describes a force that acts at a distance? it requires two objects to be touching each other. it affects an object without direct physical contact. it is a force that pushes objects but never pulls them. it is a force that can only be seen with a microscope.

Explanation:

A force that acts at a distance is one that can influence an object without the two objects being in direct physical contact. This is a fundamental concept in physics. For example, gravitational force (the Earth pulling the Moon), magnetic force (a magnet attracting a nail from a distance), and electrostatic force (charged objects attracting or repelling each other without contact) are all forces that act at a distance.
The yellow - colored statement is incorrect because a force that acts at a distance does not require objects to be touching. The orange - colored statement is wrong because forces that act at a distance can both pull (e.g., gravitational force) and push (e.g., electrostatic repulsion). The teal - colored statement is incorrect as forces that act at a distance are not about being seen with a microscope. The purple - colored statement correctly describes a force that acts at a distance as it affects an object without direct physical contact.

Answer:

The statement "It affects an object without direct physical contact" best describes a force that acts at a distance.