TCAP Practice - Reference Point

Which of the following is the best definition of a reference point?

• A. The speed of an object

• b. A place used to describe motion

•  A force acting on an object
  

• The direction an object moves
  

What does it mean when an object is in motion?

• . It changes color over time
  
  

• B. It remains still

• 
  C. It changes position relative to a reference point
  

• D. It speeds up without a cause

Which object is a good reference point?

• A. A rolling ball
  

• B. A flying bird

• 
  C. A parked car

• 
  D. A moving train

Why might two observers describe the same object's motion differently?

• A. The object has different shapes

• B. They use different reference points

• C. One observer is wrong

• D. The object is invisible

Which scenario shows relative motion?

• A. A book resting on a shelf
  

• B. A car moving past a tree

• C. A tree growing leaves
  

• D. A backpack sitting on the floor
  

From the driver’s point of view, the steering wheel in a moving car is not moving. Why?

• A. The driver has poor vision

• B. The driver sees it as moving in reverse

• C. The steering wheel is not changing position relative to the driver

• D. The car is slowing down

Which of the following best describes relative motion?

• Motion compared to another object

• Motion that doesn’t need a reference point

• A. Motion described in absolute terms

• D. Motion that cannot be measured

A student watches a train pass by while standing on the platform. To the student, the train is moving. What is the reference point?

• D. The passengers inside

• C. The train conductor

• A. The sky

• B. The student

If two objects are moving at the same speed but in different directions, what can be said about their velocities?

• B. They are not moving

• A. They have the same velocity

• C. Their velocities are different

• D. Their velocities are undefined

Tags

CCSS.HSN.VM.A.3

A person on a train drops a ball. To them, it falls straight down. What might an observer on the platform see?

• A. The ball floating

• B. The ball moving in a curve

• C. The ball rising

• D. The ball disappearing