Force, mass and acceleration

Friction acts in a direction ____ to the direction of an object's motion.

• unrelated

• opposite

• equal

• perpendicular

Unless an object at rest is acted upon by a force, it stays at rest due to its

• matter

• inertia

• friction

• gravity

Tags

NGSS.MS-PS2-2

A 10 kg ball is accelerated 500 m/s² by a force of

• 5000 N

• 50 N

• 500 N

• 1/50 N

Tags

NGSS.MS-PS2-2

A(n) ______ can cause an object's motion to change.

• unbalanced force

• balanced force

• weight

• inertia

Tags

NGSS.MS-PS2-2

The amount of matter in an object is called its

• weight

• force

• inertia

• mass

Newton's second law of motion states the relationship of mass, acceleration, and force. It says that

• force equals mass divided by acceleration

• force equals acceleration divided by mass

• force equals mass times acceleration

• every object attracts every other object in the universe

Tags

NGSS.HS-PS2-1

The unit, Newton, is equal to

• the amount of mass in an object

• mass x velocity

• kg·m/s

• kg·m/s²

Air resistance is a type of

• motion

• acceleration

• velocity

• friction

The force of gravity on a person or object at the surface of a planet is known as

• mass

• inertia

• air resistance

• weight

Tags

NGSS.MS-PS2-2

In physical science, a push or a pull is called a(n)

• force

• acceleration

• inertia

• motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2