Motion & Forces

Which object has the greatest inertia?

• Bowling ball

• Ping-pong ball

• Toothpick

• Pencil

Momentum is expressed in units of _____.

• kg_*m

• kg_*m/s

• N

• m/s²

Tags

NGSS.HS-PS2-2

When two objects collide, the momentum of the pair after the collision is explained by _____.

• Newton's First Law of Motion

• Newton's Second Law of Motion

• Newton's Third Law of Motion

• Law of Conservation of Momentum

Tags

NGSS.HS-PS2-2

A feather will fall through the air more slowly than a brick because of _____.

• Air resistance

• Gravity

• Terminal velocity

• Momentum

The path of a projectile is _____.

• Straight

• Always vertical

• Always horizontal

• Curved

Acceleration due to gravity is _____.

• 98 m/s²

• 9.8 m/s²

• 9.8 m/s

• 0.98 m/s

Which option describes Newton's First Law of Motion?

• an object at rest will remain at rest, and an object in motion will remain in motion unless acted upon by a force

• for every force, there is an opposite and equal force

• the acceleration of an object is related to the amount of force applied, as well as the mass of the object

What is a force?

• the energy possessed by an object in motion

• a push or a pull upon an object that causes a change in the object's state of rest or motion

• the change in speed or direction of a moving object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is kinetic energy?

• the energy possessed by an object in motion

• the stored energy of an object

• the change in speed or direction of a moving object

Tags

NGSS.MS-PS3-1

What does Newton's Second Law of Motion refer to?

• for every force, there is an equal and opposite force

• the acceleration of an object is related to the amount of force applied to it, as well as the mass of the object

• an object at rest will remain at rest, and an object in motion will remain in motion until an outside force is acted upon the object

Tags

NGSS.MS-PS2-2