Describing Motion

Which of the following statements describes the velocity of an object?

• A car moving at 15 km/h.

• A car covering 5 km in two hours

• A car covering 15 km west

• A car covering 8 m north

Refers to the rate of change in distance per

unit time

• Speed

• Scalar Quantity

• Vector Quantity

• Distance

Tags

NGSS.MS-PS3-1

Which of the following is not a Scalar Quantity

• 5km

• 15 mins

• 25 kg

• 80 km / hr northeast

_____ is the process of changing position

• direction

• displacement

• speed

• motion

Jeff is in a stationary school bus. Which is the best reference point for him to use to determine when the bus starts to move?

• the front entrance of the school

• the school bus sitting next to him

• a car waiting to pick up another student

• a student walking on the sidewalk

What is a reference point?

• an object or point you use to describe the location of other objects.

• an object

• a position

• a point of reference

The starting point you use to describe motion of an object is ____________

• Motion

• Reference point

• Position

• None of the above

____ is defined as the change in the position of an object an object per unit of time.

• At Rest

• The Origin

• No Motion

• Motion

Which of the following correctly describes the

object's motion?

• The object is moving with increasing

  acceleration.

• The object is moving with constant acceleration.

• The object is moving with increasing velocity.

• The object is moving with constant velocity.

• F

• G

• H

• J

Tags

NGSS.HS-PS2-1