# Calculating the Velocity of the Center of Mass

Instructions:

question 1 of 3

### What is the velocity of the center of mass equation in words?

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### 2. Two 50 kg masses are 100 meters apart in space. What is the net gravitational force between them?

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This quiz/worksheet assessment is a great tool you can use to measure your knowledge of center-of-mass and how to calculate its velocity. You must be familiar with the equations used for these calculations and how to apply them.

## Quiz & Worksheet Goals

This assessment will test your ability to do the following:

• Express the velocity of center-of-mass equation in words
• Understand what we end up with when the total force on a system is divided by the total mass of the system
• Know how to solve a net gravitational force problem
• Identify the type of forces needed to determine the acceleration of the center-of-mass
• Define center-of-mass

## Skills Practiced

• Problem solving - use acquired knowledge to solve net gravitational force problems
• Defining key concepts - ensure that you can accurately define center-of-mass
• Information recall - access the knowledge you've gained regarding total force divided by total mass of a system
• Knowledge application - use your knowledge to state the equation for velocity of center-of-mass in words