⚖Forces, Energy, & Speed QUIZ

The formula for speed is

• distance multiplied by time
• time divided by distance
• distance divided by time
• time multiplied by distance

Tags

NGSS.MS-PS3-1

Distance is the ___________ of a route between two points.

• length
• smell
• depth
• direction

The two pieces of information you need to figure out average speed are...

• speed and time
• distance and time.
• velocity and time
• acceleration and time

To find the average of your data you need to...

• add up all of your trials
• add up all of your trials and divide by the number of trials you have
• add up all of your trials and multiply by the number of trials you have
• divide then add

Most of the time, frame of reference refers to something that is ______________ _____________ with respect to an observer that can be used to detect motion.

• always moving
• sometimes moving
• not moving
• barely moving

A vector (arrow) is a quantity that includes both ___________ and _____________.

• size, direction
• time, space
• sweet, sour
• distance, acceleration

Which of the following would NOT make a good reference point?

• A flagpole
• Dartmouth Middle School
• A moving child
• A stop sign

Select the Net Force applied to this box

• 30 N Left
• 20 N Right
• 40 N West
• 40 N Right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which phrase below accurately describes the forces on the box

• Balanced forces. Not moving. 0 N
• Unbalanced. Moving. 90 N Up
• Balanced. Moving. 50 N Up
• Unbalanced. Moving. 65 N Up

Which of the following BEST describes what causes motion?

• When all forces have an equal magnitude there is motion
• Things move if the forces go in opposite directions
• Motion occurs when the net force is unbalanced
• Motion occurs if the sum of all the forces equals zero

Tags

NGSS.MS-PS2-2