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WorksheetsReview: Forces at a Distance
Total questions: 28
Worksheet time: 56mins
The Law of Universal Gravitation tells us that the gravitational force between two objects depends on ___________ the objects.
only the charges of
only the distance between
only the masses of
the charges of and distance between
the masses of and distance between
Which of the following graphs shows how the gravitational force exerted by an object (y-axis) changes as the mass of the object (x-axis) increases?
Which of the following graphs shows how the gravitational force between two objects (y-axis) changes as the distance (x-axis) increases?
What unit is used to measure the gravitational force between two objects?
Newtons (N)
Coulombs (C)
meters (m)
kilograms (kg)
What unit is used to measure the masses of the planet and moon?
Newtons (N)
Coulombs (C)
meters (m)
kilograms (kg)
This image shows that objects with opposite charges _________ each other.
attract
repel
do not affect
This image shows that objects with the same charges _________ each other.
attract
repel
do not affect
How would we describe the force between the balloon and the sweater shown in the image?
attraction
repulsion
no force
How would we describe the force between the balloon and the sweater shown in the image?
attraction
repulsion
no force
How would we describe the force between the balloon and the positively-charged protons wall?
attraction
repulsion
no force
How would we describe the force between the balloon and the negatively-charged electrons in the wall?
attraction
repulsion
no force
Based on the electrostatic forces shown, we can conclude that Objects A and B have...
the same charge
opposite charges
no charge
Based on the electrostatic forces shown, we can conclude that Objects A and B have...
the same charge
opposite charges
no charge
Coulomb's Law tells us that the electrostatic force between two objects depends on ___________ the objects.
only the charges of
only the distance between
only the masses of
the charges of and distance between
the masses of and distance between
In the equation for Coulomb's law, what does the variable q represent?
electrostatic force
Coulomb's constant
charge
mass
Which of the following graphs shows how the electrostatic force exerted by an object (y-axis) changes as the charge of the object (x-axis) increases?
Which of the following graphs shows how the electrostatic force between two objects (y-axis) changes as the distance (x-axis) increases?
What unit is used to measure the electrostatic force between two charged objects?
Newtons (N)
Coulombs (C)
meters (m)
kilograms (kg)
What unit is used to measure the charges of the objects in this simulation?
Newtons (N)
Coulombs (C)
meters (m)
kilograms (kg)
In which image is the gravitational force between the star and planet strongest?
In which image is the gravitational force between the star and planet weakest?
How would we describe the gravitational force between the earth and an orbiting satellite?
attraction
repulsion
no force
Which of the following is true about the electrostatic forces (FA and FB) acting on Objects A and B in this experiment?
The forces on both objects are the same
The force on Object A is larger
The force on Object B is larger
Which of the following is true about the gravitational forces acting on the planet and its moon?
The forces on both objects are the same
The force acting on the planet is larger
The force acting on the moon is larger
Tiny dust particles clump together because _____ forces cause them to _____ each other when they become charged.
electrostatic, attract
electrostatic, repel
gravitational, attract
gravitational, repel
Large rocks may collide and stick together in space because _____ forces cause them to _____ each other.
electrostatic, attract
electrostatic, repel
gravitational, attract
gravitational, repel
The strands of hair in Bill Nye's rockin' wig of science spread apart when he touches the Van de Graaff generator because _____ forces cause them to _____ each other.
electrostatic, attract
electrostatic, repel
gravitational, attract
gravitational, repel
Our Milky Way Galaxy is expected to collide with the Andromeda Galaxy in ~4 billions years because _____ forces cause them to _____ each other.
electrostatic, attract
electrostatic, repel
gravitational, attract
gravitational, repel
