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Hopefully it wasn't heading straight for your car — but if it were, would you rather a fully loaded cart or an empty cart hit your car? Probably the empty cart! An empty cart would not cause as much damage if it hit your car because it has less momentum. Momentum is the measurement of an object's mass multiplied by how fast the object is moving.
Momentum can move from one object to another object when they bump into each other. The movement of momentum from one object to another is called transfer of momentum.
When a fully-loaded shopping cart collides with the side of a car, you can see evidence of momentum transfer— the car is dented! In this lesson, we will explore the idea of momentum, Lesson plan momentum essay momentum transfer by examining collisions.
It is important for engineers to understand momentum transfer so they are able to design safe cars, investigate accidents, plan the way spaceships dock with space stations, and all sorts of other things.
A good understanding of collisions and momentum is also an excellent way to improve your bowling score or a game of pool, too!
Lesson Background and Concepts for Teachers Momentum Momentum, which is given the symbol pis a combination of the mass and velocity of something that is moving. Mathematically, momentum is described by the equation: That means that they have both a magnitude and direction.
Understanding momentum can lead to some surprising answers to questions. For example, consider the question "If a BB bumped into a bowling ball, would the bowling ball move? If the bb was not going very fast it would not have much momentum and the bowling ball would not move very much you probably could not even measure any motion in most cases.
If the BB was going very fast, though, it would be a different story. If a bb that weighed 57 grams about 2 oz. Through the collision, the momentum of the little bb moving very fast is transferred to the bowling ball, which moves slower because it has much more mass!
Elastic and Inelastic Collisions Collisions cause momentum to move from one object to another object. In everyday life, collisions occur all over the place — pool games, traffic accidents, rubber balls bouncing, baseballs being hit by bats, and more.
You can probably observe many collisions just by looking around a classroom. Understanding momentum gives engineers an insight to understand different kinds of collisions.
This understanding can help make cars safer, predict the results of two objects bumping into each other, or examine the evidence of a traffic accident. There are different kinds of collisions. Sometimes objects bump into each other then bounce away from each other, such as when a rubber ball hits the ground.
Engineers call this kind of collision an elastic collision. Other times, objects that bump in to each other stick together, such as when a ball of play dough hits the ground — splat! Engineers call these kinds of collisions inelastic collisions.
Most of the time, collisions are part elastic and part inelastic. For example, when a shopping cart hits a car, it might dent the car an inelastic collisionbut it also bounces off of the car an elastic collision.
We can learn more about momentum by examining different types of collisions. An example of a "perfect" elastic collision would be if you dropped a rubber ball on a hard sidewalk and it bounced back to its original height.Bad Feminist: Essays.
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Jb Croft. Detailed Lesson Plan in Physics. Uploaded by. Zcwarch Vernandeschz.5/5(10). (18b) Momentum One useful consequence of Newton's 3rd law is the conservation of momentum, as is shown by analyzing the recoil of a cannon.
The example shows that while the gun and shell get equal amounts of momentum, by far most of the energy is given to the shell.
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Momentum key points Unit of momentum: Kgms-1 Symbol of momentum: P But what is momentum as a physical quantity? Momentum is the measure of how much force is needed to stop the moving object or change its velocity (speed or direction) Momentum is found in lots of examples from our everyday lives.
In this lesson, we will explore the idea of momentum, studying momentum transfer by examining collisions. It is important for engineers to understand momentum transfer so they are able to design safe cars, investigate accidents, plan the way spaceships dock with space stations, and all sorts of other things.
Plan your lesson in momentum with helpful tips from teachers like you. •UnderstandNewton’s 3 laws in their basic sense but including F = ma. •Know that momentum is a vector quantity and = mass x velocity.