IPC Unit 2: Understanding Forces Vocabulary

Motion is a change in position. What do you need in order to understand an object's motion?

• Your notes

• A reference point

• Its velocity

• Its direction

A push or a pull is ....

• motion

• acceleration

• force

• velocity

Acceleration is a change in velocity. What would cause an object to have acceleration?

Select all correct answers

• Speeding up

• Slowing down

• constant speed

• change in direction

• constant direction

Coach Puckett pushes his car with 30 N of force and Ms. Sponder helps him push with 25 N of force. Ms. Shalit tries to stop them and pushes in the opposite direction with 25 N of force...

What is the total Net Force on Coach Puckett's car?

• 80 N

• 50 N

• 55 N

• 30 N

Force diagrams...

• are the sum of all the forces acting on an object

• are subtracted when going in opposite directions

• are added when going in the same direction

• show all the forces acting on an object

What is the sum of all forces acting on an object?

• Net Force

• 0 N

• balanced

• Newtons

The sudden, forceful coming together of two objects

• gravitational force

• an accident

• friction

• collision

Impulse...

• the desire to perform a sudden task

• a force exerted over a time interval that causes a change in an object's momentum

• to improve by making small changes

• a push or pull

Refine...

• a human activity involving physical exertion

• to provide relevant characteristics of a specified topic

• to improve by making large changes

• to improve by making small changes

A force that acts between charged particles

• Fission

• Fusion

• Electromagnetic Force

• Electricity