Physical Science, Chapter 13: Forces & Motion (Sections 1 & 2)

a measure of the gravitational force exerted on an object

• gravity

• weight

• mass

a measure of the amount of matter in an object

• gravity

• weight

• mass

a force of attraction between objects that is due to their masses

• gravity

• weight

• mass

All matter has mass, _____.

• but objects with small masses are unaffected by gravity

• and all mass is affected by gravity

• but only Earth's gravity affects matter.

• but only Earth's and the sun's gravity affect matter.

The force of gravity _____.

• is not related to the mass of objects

• is only related to the mass of large objects

• is only related to the mass of small objects

• is related to the mass of objects

The force of gravity _____.

• does not affect the velocity of objects

• can change the mass of objects

• can change the velocity of objects

• does not affect very small objects

As the distance between two objects increases, the force of gravity between them _____.

• decreases

• does not change

• increases only slightly

• increases greatly

Which of the following does NOT describe mass?

• remains constant

• a measure of matter

• a measure of gravitational force

• measured in kilograms

Which of the following does NOT describe weight?

• changes as gravitational force changes

• is constant everywhere in the universe

• is a measure of gravitational force

• can be measured in newtons

What is the force of attraction between objects due to their masses?

• magnetism

• gravity

• net force

• natural force