Unit 1: Motion and Forces

_________________ is a change in position over time.

• Acceleration

• Velocity

• Motion

• Centripetal Acceleration

What is the formula for average acceleration?

• final velocity divided by time

• initial velocity divided by time

• final velocity plus initial velocity divided by time

• final velocity minus initial velocity divided by time

Tags

NGSS.HS-PS2-1

If a rolling cart travlels for 3 seconds and starts at a speed of 2m/s and ends at a speed of 14m/s, what is the average acceleration?

• 12 meters per second squared

• 14/3 meters per second squared

• 4 meters per second squared

• 2/3 meters per second squared

Tags

NGSS.MS-PS2-2

If a rolling cart travels for 3 seconds and starts at a speed of 4 m/s and ends at a speed of 4 m/s, what is the average acceleration?

• 0 meters per second squared

• 3 meters per second squared

• 4 meters per second squared

• 4/3 meters per second squared

Tags

NGSS.MS-PS2-2

If a rolling cart travels for 3 seconds and starts at a speed of 1 m/s and ends at a speed of 19 m/s, what is the average acceleration?

• 19 meters per second squared

• 3 meters per second squared

• 18 meters per second squared

• 6 meters per second squared

Speed of an object indicates

• the time it takes the object to reach its maximum speed

• the total amount of time the object travels in one direction

• the distance the object travels to move between two points

• the distance the object can travel in a certain amount of time

Tags

NGSS.MS-PS3-1

What units would be best to measure the length of a bowling lane?

• meters

• kilometers

• millimeters

• centimeres

Which of the following statements describe Newton's third law of motion?

• Each object exerts a force on the other, and the two forces are equal and in opposite directions

• Each object exerts a force on the other, and the two forces are the same in magnitude and direction

• Each object exerts a force on the other, and the two forces are proportional to the masses of the objects

• The moving object exerts a force on the stationary object, but the stationary object does not exert a force on the moving object

Tags

NGSS.MS-PS2-1

How can you determine which objects have the greatest speed looking a graph?

• By the steepest line

• By the longest line

• By the less steep line

• By the line in the middle

Tags

NGSS.MS-PS3-1

Which statement is true?

• Objects at rest will stay at rest until moved by a force.

• Objects in motion will stay in motion until they find an object at rest.

• Objects will stay at rest even when experiencing an unbalanced force.

• Objects at rest will resist change in velocity through acceleration.

Tags

NGSS.MS-PS2-2