Acceleration and Velocity

the rate at which speed or velocity changes

• acceleration

• average speed

• motion

• reference point

speed of an object in a particular direction

• motion

• velocity

• speed

• acceleration

What is happening at segment E?

• acceleration

• deceleration

• constant speed

• no motion/object at rest

Tags

NGSS.MS-PS3-1

What is happening at segment B?

• acceleration

• deceleration

• constant speed

• no motion/object at rest

The rate at which speed or direction (or both!) change over time is known as ​ (a)   , while ​ (b)   is the speed of an object in a particular direction.

• acceleration

• velocity

Describe the acceleration of the bus at Section 1

• negative

• constant

• not moving

• positive

What is the acceleration of an object if its velocity changes from 20 m/s to 30 m/s in 5 seconds?

• 2 m/s²

• 5 m/s²

• 10 m/s²

• 1 m/s²

Tags

NGSS.MS-PS2-2

A change in speed or direction; a change in velocity

• Acceleration

• Force

• Inertia

• Net force

Tags

NGSS.MS-PS2-2

The rate at which velocity changes is called

• instantaneous speed.

• acceleration.

• direction.

• motion.

Which of the following statements is true about acceleration?

• Acceleration is always positive.

• Acceleration is the rate of change of speed.

• Acceleration is the rate of change of velocity.

• Acceleration is the rate of change of distance.