physics speed

Which of the following is a scalar quantity?

• Velocity

• Displacement

• Speed

• Force

Which of the following is a vector quantity?

• Distance

• Speed

• Displacement

• Time

Which statement is TRUE about scalar quantities?

• They have both magnitude and direction.

• They have magnitude only.

• They represent force.

• They always change with position.

A car travels 5 km east and then 5 km west. The total displacement is ___________.

• 0 km

• 5 km

• 10 km

• 2.5 km

Which of the following best describes speed?

• Distance covered in a given time

• Displacement per time

• Velocity with direction

• Change in position only

Which of the following is NOT a vector quantity?

• Force

• Acceleration

• Distance

• Displacement

The figure below shows the motion of an object along a straight line. If the object moved from point (A) to point (B) in 6 seconds, then went back to point (C) in 2 seconds. What is the total time of the trip?                                                                                 

• 6 seconds

• 4 seconds

• 2 seconds

• 8 seconds

The graph shows the position of an ant as time goes on. When is the ant moving to the left?

• 0 to 15 seconds

• 15 to 60 seconds

• 60 to 80 seconds

• 80 to 100 seconds

• The ant is always moving to the right.

Tags

NGSS.MS-PS3-1

Ethan moved the science table 34 cm to the right(and it annoyed the teacher!)

• Speed
• Velocity
• Acceleration

Tags

NGSS.MS-PS3-1

Does upward movement of an object have a negative or positive velocity?

• Negative

• Positive