CALCULATING FORCES OF MOTION

Momentum
is the product of an object's velocity and its mass.
If you compare the motion of a car and a child's bicycle you can
see how an object's mass contributes to momentum. A car has a
much greater mass than a bicycle, so if they were both moving at
10m/s, then the momentum of the car would be greater.
Let's look at the equation for momentum. 
EQUATION:

momentum = mass x velocity or
p = mv


The answer to any momentum problem not only has
an SI unit, but also a direction. An object's
momentum is in the same direction as its velocity.

If you need to review solving one step multiplication problems, click below.
As in the procedure for solving other force problems, calculating
momentum is a step by step process. We will use a problem to
work through the steps.

Problem: Calculate the momentum of a
11.35kg wagon rolling down a hill at 12m/s.

Step 1
: Write down the equation needed for
solving momentum.

p = mv

Step 2:
Insert all known
measurements into the formula.

p = (11.35kg) (12m/s)

Step 3:
Solve. Carefully enter all numerical
values into your calculator.

p = 136.2 kg x m/s
down the hill

Go get some momentum formula experience! Do the practice problems. 
Follow the same steps you just learned and don't forget to label
your numbers.

PRACTICE PROBLEMS :
1. Calculate the momentum of a 0.15 kg ball that is moving toward home plate at a velocity of 40m/s. 2. Which has greater momentum, a 2.0kg hockey puck moving east at 2.5m/s or a 1.3kg hockey puck moving south at 3.0m/s? 3. A track athlete throws a 2kg discus into a field with a velocity of 21m/s. What is the momentum of the discus? 4. Calculate the momentum of a 700g ball that is rolling down a ramp at 4.6m/s. 5. A cannon fires a 40.5kg shell toward a target and the shell moves with a velocity of 120m/s. Calculate the shell's momentum. Feeling pretty good about your abilities? Try some of the momentum links! 
INTERNET SITES

LINKS: 
Here are some links to go and find out more about momentum:
