WorksheetsElectromagnetic and Gravitational Forces - Basics
Total questions: 22
Worksheet time: 17mins
Which particle has a positive (+) charge?
proton
electron
neutron
Which particle has a negative (-) charge?
proton
electron
neutron
Which particle has a neutral (0) charge?
proton
electron
neutron
Which pair of particles will attract each other?
proton and electron
electron and electron
proton and neutron
electron and neutron
Which pair of particles will repel each other?
proton and electron
electron and electron
proton and neutron
electron and neutron
This image shows neutral objects becoming charged. What happens to the sweater?
It loses electrons to become positive.
It gains electrons to become negative.
It loses protons to become negative.
It gains protons to become positive.
This image shows neutral objects becoming charged. What happens to the balloons?
They lose electrons to become positive.
They gain electrons to become negative.
They lose protons to become negative.
They gain protons to become positive.
Which type of particle is transferred when the balloon rubs on the sweater?
protons
neutrons
electrons
Which particle does NOT interact through electromagnetic forces?
proton
electron
neutron
The equation for Coulomb's Law is shown below. It is used to calculate the ________________ force between two objects.
electromagnetic
gravitational
strong
weak
The equation for the Universal Law of Gravitation is shown below. It is used to calculate the ________________ force between two objects. (This is not a trick question. It is ok to choose the most obvious answer.)
electromagnetic
gravitational
strong
weak
The electromagnetic force between two objects depends on which TWO factors?
the charges of the objects
the distance between the objects
the masses of the objects
the color of the objects
The gravitational force between two objects depends on which TWO factors?
the charges of the objects
the distance between the objects
the masses of the objects
the color of the objects
Which factor has the greatest effect on the electromagnetic force between two objects? Use the equation to determine your answer.
the charge of object 1 (q1)
the charge of object 2 (q2)
the distance between the objects
Which factor has the greatest effect on the gravitational force between two objects? Use the equation to determine your answer.
the mass of object 1 (m1)
the mass of object 2 (m2)
the distance between the objects
The graph below shows the relationship between the electromagnetic force on an object and its charge. Which of the following describes the relationship between the force and charge?
A higher charge will result in a stronger force.
A higher charge will result in a weaker force.
There is no relationship between the strength of the force on an object and its charge.
The graph below shows the relationship between the gravitational force on an object and its mass. Which of the following describes the relationship between the force and mass?
A higher mass will result in a stronger force.
A higher mass will result in a weaker force.
There is no relationship between the strength of the force on an object and its mass.
The graph below shows the relationship between the gravitational force on an object and its distance from another object. Which of the following describes the relationship between the force and distance?
A larger distance will result in a stronger force.
A larger distance will result in a weaker force.
There is no relationship between the strength of the force on an object and its distance to the other object.
Electromagnetic forces generally affect objects on _________ scale than gravitational forces.
a smaller
a larger
the same
Gravitational forces generally affect objects on _________ scale than electromagnetic forces.
a smaller
a larger
the same
Objects can interact through electromagnetic forces if they have _________.
mass
charge
both mass and charge
neither mass nor charge
Objects can interact through gravitational forces if they have _________.
mass
charge
both mass and charge
neither mass nor charge
