8th Grade Physics Review Quiz

The strength of gravity as measured on the surface of Earth is

• 9.8 m/s²

• 12.5 m/s²

• 7.5 m/s²

• 15.0 m/s²

The friction that can be measured when an object is sliding over a surface is

• kinetic friction

• static friction

• rolling friction

• fluid friction

The inertia of an object is determined by its

• mass

• volume

• temperature

• color

The law of inertia is a name sometimes used to refer to Newton's

• First Law

• Second Law

• Third Law

• Law of Universal Gravitation

As you stand upon the ground, you exert a force called weight on the ground. The force the ground exerts upon you is called the

• normal force

• gravitational force

• frictional force

• tension force

Tags

NGSS.MS-PS2-2

A unit of measurement used to indicate force is the

• newton

• joule

• watt

• pascal

Tags

NGSS.HS-PS2-1

Why would your weight on the moon be less than your weight on Earth?

• The moon has a weaker gravitational pull than Earth.

• The moon is farther from the sun than Earth.

• The moon has a thicker atmosphere than Earth.

• The moon rotates faster than Earth.

Tags

NGSS.MS-PS2-4

If the net force acting on an object is zero, the speed of the object must

• remain constant

• increase

• decrease

• be zero

Tags

NGSS.MS-PS3-1

Which of the following terms require a direction to be complete?

• Time

• Temperature

• Length

• Force

The term that describes the situation for all bodies on which the net force is zero is

• equilibrium

• acceleration

• momentum

• inertia