02_forcevstime

# 02_forcevstime - Lesson 2 Impulse Graphs So far we've...

This preview shows pages 1–2. Sign up to view the full content.

Lesson 2: Impulse Graphs So far we've implied some things about what is constant and what can change in the impulse formula F Δt = m Δv. We look at situations where we expect the mass of the object will stay constant . The velocity will change , and that's why we put a delta in front of it. Time is changing (sort of) as we measure it over a period of time. Force must be a constant . We assume that the force being exerted on the object was always the same, causing a constant acceleration. If we are looking at a simple impulse question (where the force is constant), we can figure out exactly what we can interpret from a graph. Later this may help us to figure out a more complicated question, like if the force changes. The following graph is an example of one of those simple situations where the force remains constant during the entire time. If we look at what the slope might represent, we get... slope = rise run slope = F t Since nothing in the impulse formula can be rearranged to give us force over time, the slope doesn't mean anything to us in this situation.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern