Linear impulse and momentum

Question 1

What are the equations for linear impulse and momentum?

Answer 1

Question 2

What is the equation for resultant force, using linear impulse?

Answer 2

Question 3

How do we determine magnitude of impulse using direct integration and graphically, for consant force and not?

Answer 3

Note:
* Favg is the equivalent average force to equal the graph to the left of it.

Question 4

What is the principle of impulse and momentum equation?

Try to draw the impulse and momentum diagrams that represent it.

Answer 4

Question 5

Why don’t we (usually) consider impulse from gravity?

Answer 5

Question 6

What would the equation for principle impulse and momentum for a system of particles?

Answer 6

Question 7

What is the condition and the equation for conservation of linear momentum?

Answer 7

Question 8

What are the two types of impacts?

Answer 8

• Central impacts
• Oblique impacts

Question 9

What is the coefficient of restitution equation? What does it help describe and mean?

Answer 9

Question 10

What is the equation for finding final velocity after a plastic central collision?

Answer 10

Question 11

What is the equation for finding the final velocities after an elastic central collision?

Try deriving it!

Answer 11

Question 12

What is the equation for finding the final velocities when a neither elastic or plastic central collision has occurred?

Answer 12

Question 13

For an oblique impact on a smooth ground, What are the assumptions, equations and diagram used to solve this problem?

Answer 13

Question 14

For an oblique impact on a rough ground, What are the assumptions, equations and diagram used to solve this problem?

Answer 14

Question 15

What are the steps, assumptions and equations to find the velocities of a two particle oblique impact?

Answer 15