Magnetic and Electromagnetic #3

Which of the following familiar occurrences is due to magnetic force?

• The needle of a compass points towards Earth's North Pole

• A person gets a shock from a doorknob after walking across the carpet

• Earth is constantly pulling all objects towards its center

• Pieces of clothing stick together after being in a clothes dryer

Tags

NGSS.MS-PS2-3

The electric force between two charged spheres can be increased by decreasing the–

• Combined mass of both spheres

• Distance between the spheres centers

• Diameter of the larger of the spheres

• Combined charge of both spheres

Tags

NGSS.HS-PS2-4

A charged object exerts a force on another charged object. If the charge on each

object is doubled, the force will becomes−

• One quarter of its orignal value

• Half of its original value

• Double its original value

• Four times its original value

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Which of the following provides the best evidence for the existence of the strong nuclear force?

• The presence of neutrons

• The presence of neutrons in the nucleus

• The presence of electrons

• The presence of protons in the nucleus

Tags

NGSS.HS-PS1-8

Which of the following processes is often cited as evidence for the existence of the weak nuclear force?

• Beta Decay

• Neutron Decay

• Gamma Decay

• Alpha Decay

Tags

NGSS.HS-PS1-8

Which of the following statements is true of the strong nuclear force?

• It acts over great distances

• It repels neutral charges

• It holds protons and neutrons together

• It is much weaker that gravitational forces

Tags

NGSS.HS-PS1-8

On which scale are gravitational forces dominant?

• Atomic

• Cosmic

• Molecular

• Subnuclear

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

Given the definition, select the correct vocabulary word: the sum of all the forces acting on a mass

• net force

• magnetism

• gravitational field

• magnetic field

Given the definition, select the correct vocabulary word: an area of magnetic influence around a magnet

• net force

• magnetism

• gravitational field

• magnetic field

What interaction will occur between the magnets in the arrangement shown?

• The magnets will attract each other.

• The magnets will repel each other.

• The magnets will both attract and repel each other.

• The magnets will not interact at all.