Newton's Second Law of Motion

If a car driving through a school zone, and then gets on a freeway. Describe the speed and acceleration

• low speed, high acceleration

• low speed, low acceleration

• high speed, high acceleration

• high speed, low acceleration

Tags

NGSS.MS-PS3-1

(a)   = mass x acceleration

Tags

NGSS.MS-PS2-2

A (a)   is required to change the motion of an object

Tags

NGSS.MS-PS2-2

Which of these is not an example of acceleration

• Change in motion

• Change in velocity

• Change in direction

• Change in color

Newton's 2nd law states a decrease in mass of an object will cause the the acceleration to _____ only if _______

• increase, the force is constant

• decrease, the force is constant

• increase, the mass is constant

• decrease, the mass is constant

Tags

NGSS.MS-PS2-2

An object's velocity can be changed by changing its speed, its direction, or both.

• True
• False

Tags

NGSS.MS-PS3-1

A change in velocity over time is called ___________.

• speed
• force
• acceleration
• direction

Newton's second law of motion describes acceleration as force divided by __________.

• mass
• inertia
• speed
• direction

Tags

NGSS.MS-PS2-2

According to __________, the acceleration of an object is equal to the net force acting on the object divided by the object's mass. 

• Newton's Second Law
• Newton's Third Law
• Newton's First Law

Tags

NGSS.MS-PS2-2

What happens when unbalanced forces act on an object at rest?

• the object remains at rest
• the object begins moving in an unpredictable direction
• the object begins moving in the direction of the net force
• the object begins moving opposite to the direction of net force

Tags

NGSS.MS-PS2-2