Relative Motion of Two Interacting Objects

Jordan and Caleb are riding their bikes past the grocery store. Which of the following is true?

• Jordan and Caleb are moving relative to their bike, but not the grocery store.
• Jordan and Caleb are not moving relative to the grocery store or their bikes.   
• Jordan and Caleb are moving relative to the grocery store, but not their bikes.
• Jordan and Caleb are moving relative to their bikes and the grocery store.

When you're in a car, what is your frame of reference?

• the car

• the road

• the Earth

• there is none

For us humans, what is our basic reference frame?

• Earth

• The Sun

• The Universe

• The Milky Way Galaxy

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS3-1

What is the motion of the car relative to the runner's frame of reference?

• 26 m/s right

• 34 m/s right

• 34 m/s left

• 26 m/s left

What is the motion of the plane relative to the hot air balloon's frame of reference?

• 493 m/s left

• 487 m/s left

• 493 m/s right

• 487 m/s right

What is the motion of the canoe relative to the hitch hiker's frame of reference?

• 2 m/s right

• 0 m/s

• 2 m/s left

What is the relative motion of the hitch hiker relative to the plane's frame of reference?

• 490 m/s right

• 0 m/s

• 490 m/s left

What is the relative motion of the canoe from the car's frame of reference?

• 28 m/s left

• 32 m/s left

• 28 m/s right

• 32 m/s right

What is the relative motion of the plane from the car's frame of reference?

• 520 m/s left

• 460 m/s left

• 460 m/s right

• 520 m/s right

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

What is the relative motion of the canoe from the runner's frame of reference?

• 6 m/s right

• 2 m/s right

• 6 m/s left

• 0 m/s