Chapter 2.1 vocab

Question 1

What is the change in an object’s position relative to a reference point called?

Answer 1

Motion

Question 2

What is the distance and direction of the object’s change in position called?

Answer 2

Displacement

Question 3

What is the distance an object travels per unit time called?

Answer 3

Speed

Question 4

What needs to be included in an answer when calculating distance?

Answer 4

A unit of measurement

Question 5

What do you need in an answer for displacement?

Answer 5

Units and direction

Question 6

Displacement can be calculated in the same direction?

Answer 6

True

Question 7

You subtract displacement if they are going in the opposite direction?

Answer 7

True

Question 8

You cannot directly calculate displacement if they are not the same or in opposite directions?

Answer 8

True

Question 9

What is the difference between speed and velocity?

Answer 9

Velocity has direction

Question 10

Is it possible to have a constant speed with a change in velocity?

Answer 10

Yes

Question 11

How do you calculate momentum?

Answer 11

p=mv

Question 12

What are the units for momentum?

Answer 12

kg*m/s direction

Question 13

What is the unit for mass?

Answer 13

kg

Question 14

What are the units for velocity?

Answer 14

m/s

Question 15

What includes the speed of an object and the direction of its motion?

Answer 15

Velocity

Question 16

What is an objects product of its mass and velocity?

Answer 16

Momentum

Question 17

What is the rate of change of velocity

Answer 17

Acceleration

Question 18

What is it called when the acceleration toward the center of a curved or circular path called?

Answer 18

Centripetal Acceleration