Motion Descriptors Quiz

What is defined as the change of position of an object in a specific span of time relative to an observer?

• Motion

• Velocity

• Acceleration

• Displacement

Which of the following is a scalar quantity?

• Velocity

• Acceleration

• Speed

• Displacement

What is the unit of measurement for acceleration?

• m/s

• m/s²

• s

• m

Which statement is true regarding distance and displacement?

• Distance is always less than displacement.

• Distance is always equal to displacement.

• Distance is always greater than or equal to displacement.

• Distance and displacement are the same.

What does a negative acceleration indicate?

• The object is speeding up.

• The object is slowing down.

• The object is at rest.

• The object is moving at constant speed.

Which of the following describes velocity?

• Change in position over time.

• Total length traveled by an object.

• Rate of change in position with respect to a reference point.

• Rate of change in position without direction.

What is the formula for calculating speed?

• v = t/d

• v = a/t

• v = xf - xi

• v = d/t

Which of the following quantities is a vector?

• Displacement

• Speed

• Distance

• Time

What is the relationship between speed and velocity when an object moves in a straight line without changing direction?

• Speed is always greater than velocity.

• Speed and velocity are equal.

• Velocity is always greater than speed.

• Speed cannot be determined.

What does the term 'relative motion' imply?

• All objects are in motion.

• Motion can be measured in absolute terms.

• Motion depends on the observer's frame of reference.

• Motion is the same for all observers.