The best description of gravitational force is:
The attractive force between two objects due to their masses.
Which of the following best describes gravitational force? (1 point)
The repulsive force between two objects
The attractive force between two objects due to their masses
The force that resists motion between two surfaces
The force that acts perpendicular to the motion of an object
11 answers
What does mass measure in an object? (1 point)
The force of gravity acting on the object
The measure of the amount of matter in an object
The object's weight in different locations
The object's volume
The force of gravity acting on the object
The measure of the amount of matter in an object
The object's weight in different locations
The object's volume
Mass measures:
The measure of the amount of matter in an object.
Which of the following statements about mass and weight is true? (1 point)
O Mass is a measure of the force exerted by gravity on an object
O Weight remains constant, but mass changes depending on location
O Mass remains constant, but weight changes depending on location.
Weight is the same as mass and does not change with location.
O Mass is a measure of the force exerted by gravity on an object
O Weight remains constant, but mass changes depending on location
O Mass remains constant, but weight changes depending on location.
Weight is the same as mass and does not change with location.
The true statement about mass and weight is:
Mass remains constant, but weight changes depending on location.
What happens to the gravitational force between two objects if their masses increase? (1 point)
The gravitational force increases
The gravitational force remains the same
The gravitational force decreases
The gravitational force disappears
The gravitational force increases
The gravitational force remains the same
The gravitational force decreases
The gravitational force disappears
If the masses of two objects increase, then:
The gravitational force increases.
What is air resistance? (1 point)
The force that pulls objects towards the Earth.
The force that increases the speed of a falling object
The force that resists an object's motion in air.
The force that acts between objects in space.
The force that pulls objects towards the Earth.
The force that increases the speed of a falling object
The force that resists an object's motion in air.
The force that acts between objects in space.
Air resistance is:
The force that resists an object's motion in air.
What is terminal velocity? (1 point)
The constant speed that a freefalling object reaches when the force due to gravity equals the force of air resistance.
The initial velocity of a falling object.
The speed of sound in air
The speed at which gravity stops acting on an object.
The constant speed that a freefalling object reaches when the force due to gravity equals the force of air resistance.
The initial velocity of a falling object.
The speed of sound in air
The speed at which gravity stops acting on an object.
Terminal velocity is:
The constant speed that a freefalling object reaches when the force due to gravity equals the force of air resistance.
21 answers