Describing when an object is/is not in motion Quiz

A reference point and an object are moving

It moves in a given direction at an average speed

A reference point moves a distance comparable to each other

It changes distance or position from a reference point

The reference point is moving at a constant speed

The object is close to the reference point

The object and the reference point remain the same distance from each other

The object and reference point are in space

When the propeller is used as the reference point

When the landing gear skid is used as the reference point

when the tree is used as the reference point

when both the propeller and the landing gear skid are used as the reference point

A The distance between the propeller and the heliocopter change

B The distance between the tree and the helicopter remain constant

C The position of the heliocopter and the propeller decreases

D The distance between the heliocopter and the propeller remains the same