Circular and Projectile Motion

The upward force on an object falling through the air is ____.

• air resistance
• momentum
• terminal velocity
• inertia

Tags

NGSS.MS-PS2-2

The relationship among mass, force, and acceleration is explained by ____.

• Newton's first law of motion
• Newton's second law of motion
• Newton's third law of motion
• conservation of momentum 

Tags

NGSS.MS-PS2-2

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

• inertia
• gravity
• air resistance
• momentum

In the absence of air, a penny and a feather that are dropped from the same height at the same time will ____.

• not have momentum
• fall at different rates
• float 
• fall at the same rate

Tags

NGSS.MS-PS2-4

The acceleration due to gravity is ____.

• 9.8 m/s² 
• 98 m/s²
• 0.98 m/s
• 9.8 m/s 

According to Newton's second law of motion, ____.

•  F = m x v 
• F = m x a
• F = p x v
• F = p x a

Tags

NGSS.MS-PS2-2

When an object moves in a circular path, it accelerates toward the center of the circle as a result of ____.

•  frictional force
• momentum
• centripetal force
• gravitational force

The path of a projectile is ____.

• straight
• always vertical
• always horizontal
• curved

For any object, the greater the force that's applied to it, the greater its ____ will be.

• acceleration
• velocity
• gravity 
• inertia

Tags

NGSS.MS-PS2-2

The size of the gravitational force between two objects depends on their ____.

• speed and direction
• masses and the distance between them 
•  frictional forces
• inertia

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2