What concept does the image illustrate about forces?

• Electrical forces

• Magnetic forces

• Balanced Forces

• Nuclear forces

Tags

NGSS.3-PS2-1

Which section of the graph represents Alice walking 50 meters in 50 seconds to drop off a parcel?

• The section from 0 to 50 on the horizontal axis

• The section from 50 to 80 on the horizontal axis

• The section from 80 to 180 on the horizontal axis

• The section from 180 to 230 on the horizontal axis

Tags

NGSS.MS-PS3-1

Which section of the graph shows Alice speeding up and walking the next 50 meters in just 30 seconds?

• The section from 0 to 50 on the horizontal axis

• The section from 50 to 80 on the horizontal axis

• The section from 80 to 180 on the horizontal axis

• The section from 180 to 230 on the horizontal axis

Tags

NGSS.MS-PS3-1

Which section of the graph indicates Alice walking back home after dropping off the parcel?

• The section from 0 to 50 on the horizontal axis

• The section from 50 to 80 on the horizontal axis

• The section from 80 to 180 on the horizontal axis

• The section from 180 to 230 on the horizontal axis

What does the term "displacement" refer to in physics?

• Change in position

• Total distance traveled

• Speed of an object

• Direction of an object's movement

How is "speed" defined in physics?

• Rate at which velocity changes

• Rate at which an object moves

• Speed and direction of an object's movement

• Change in position

Tags

NGSS.MS-PS3-1

What does "velocity" describe?

• Rate at which an object moves

• Change in position

• Speed and direction of an object's movement

• Rate at which velocity changes

What is "acceleration" in the context of physics?

• Speed and direction of an object's movement

• Rate at which velocity changes

• Change in position

• Rate at which an object moves

What is the acceleration of a bus that increases its velocity from 0 m/s to 18 m/s in 6 seconds?

• A) 2 m/s²

• B) 3 m/s²

• C) 4 m/s²

• D) 5 m/s²

Tags

NGSS.MS-PS2-2

If a cheetah accelerates from 5 m/s to 20 m/s in 5 seconds, what is its acceleration?

• A) 2 m/s²

• B) 3 m/s²

• C) 4 m/s²

• D) 5 m/s²