Mousetrap car is a very good illustration of conversion of energy. The energy for moving the car comes from the mouse trap. It is stored as spring potential energy. This is finally converted to kinetic energy of the moving car. Building the mouse trap car is about converting the potential energy to kinetic energy and transferring the energy Dec 19, · The most common design involves positioning the mousetrap on the chassis of the cars and attaching an extended lever on the trap to one of the car’s axles by using a length of string. The end of the string on the mousetrap is tied to the arm of the trap while the opposite end is wound around the blogger.comted Reading Time: 7 mins Mar 03, · The most common design involves positioning the mousetrap around the chassis with the cars and attaching a long lever around the trap to 1 of the car’s axles simply using a length of line. The end of the string on the mousetrap is definitely tied to the arm from the trap while the opposite end is injury around the axle. When the mousetrap is “loaded, potential Estimated Reading Time: 8 mins
What is the physics behind a mousetrap car? – blogger.com
To determine this, the distance a car travels when tested with the same propulsion force but different wheel diameter is measured. We expect that there will be an optimum size that should be utilized in order to achieve maximum efficiency. A larger or smaller wheel size should change the distance that the car will travel. The cars we will test will be made of common and inexpensive materials.
The design of the cars will consist of simple wheel and axel setups and a lever; two simple machines that can be used to cause forward movement. The means of propulsion for our cars will be spring-loaded mousetrap with a length of string that connects to the axel supporting the wheels being tested. As the trap is set the lever will pull the line and thus rotate the axel causing movement. It was really easy to contact her and respond very fast as well.
The size of the wheel should have a direct relationship with the distance that the car will travel. Small wheels will require more revolutions to move the same distance while large wheels will require more torque to make them begin to turn.
The goal of the project is to find the most efficient use of the energy provided by the mousetrap for both speed and distance by adjusting the size of the wheel. A mousetrap car is a combination of two simple machines designed to operate much like a gas-powered car. However, a mousetrap is used instead of an internal combustion engine for the motor.
The end of the string on the mousetrap is tied to the arm of the trap while the opposite end is wound around the axle. The pulling force of the arm turns the potential energy into kinetic energy, causing the wheels to turn and boosting the vehicle.
The mousetrap will provide a limited amount energy that the car can use as propulsion force that causes forward movement. The length of the string connecting the lever on the trap to mouse trap car essay axel will remain constant through out the duration of the experiment.
This will ensure that each of the wheel sizes will receive the same amount of energy. The wheels will also be made of the same material so that each will have the same traction, be about the same weight, and attach to the axel in a similar fashion.
Since the radius is directly proportional to the circumference, larger diameter will obviously have larger circumferences. This is important because the circumference the part that actually touches the track.
The larger the circumference of the wheel is as compared to the radius of the axel, the more mechanical advantage the wheel will have. Mechanical advantage is a phenomenon that increases the efficiency of a simple machine. Engineers try to design cars that make the most of mouse trap car essay force when designing cars and other motor vehicles. A circumference of five inches will travel 25 inches in five revolutions while a circumference of three inches will travel only 15 inches with the same number of revolutions.
The larger wheels seem to make more efficient use of the revolutions provided by the springing mousetrap. However the larger diameter also requires more energy to make them revolve. The energy required to turn an axel is known as torque, mouse trap car essay. Mouse trap car essay more torque an engine or a mousetrap can provide, the faster the car will accelerate, mouse trap car essay. Acceleration is also important to the efficiency of the mousetrap car. The faster a car can accelerate, mouse trap car essay, the more momentum it can build up.
Momentum is a force that keeps moving objects moving in the same general direction and force until some outside force acts upon the object. Momentum will conserve the energy from the mousetrap while providing thrust. If the wheels are too small, the axels will have to revolve more times to build up any significant momentum.
If they are too large, they will require much more torque, which would reduce the amount of energy available to turn the axel once momentum is built up. Friction also plays a major role in the performance of mousetrap-powered cars. This traction helps the wheels to propel the cars across further distances and at greater speeds. However, friction can also occur between the axles and the cars, which can be detrimental to performance, mouse trap car essay. To combat this, lubricants are used on the axels where they are in contact with the chassis of the car.
Also, more mass involved with the rotation of the axels will cause more friction. Therefore, heavier cars will be much less successful than vehicles using much lighter materials due to the amount of friction and inertia, which will not allow the car to travel as far or as fast under the same conditions. The wheels were made of three mouse trap car essay of circular pieces of foam board supported by a slice of a cardboard tube.
A standard sized mousetrap was secured to the chassis and a 3-inch length of copper pipe was used to lengthen the lever to provide more mechanical advantage. A two-feet length of nylon string was secured to the copper pipe and the rear axel. The wheels were attached to the axels with rubber cement. The various larger sizes were designed to fit over the smallest ones that were attached to the axels.
A single front wheel was used throughout the experiment Tests were ran to determine how far the car would travel and how fast they traveled a distance of five and mouse trap car essay. Each wheel size was tested three times and the results were then averaged:, mouse trap car essay.
Our results show two distinct characteristics. The larger wheels traveled a significant amount further than the smaller wheel sizes. However the smaller wheels were capable of quicker acceleration than the larger wheels. Since the wheels all had about the same amount of mass, the amount of friction did not increase of decrease enough to effect the results significantly, mouse trap car essay.
The wheel sizes could thus be adjusted depending upon the type of race the car was involved in; distance, in which the largest wheels would be used, or speed, in which the smallest wheels would be used. Experience in the design and function of the mousetrap cars would help us to design an even more efficient vehicle, mouse trap car essay. Two layers of foam board would probably be used to cause the wheels to be more level and stable. Also, a longer lever would likely be attached to the existing lever on the mousetrap so that more advantage is achieved.
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Simple Mouse Trap Car goes 138 feet
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Mar 03, · The most common design involves positioning the mousetrap around the chassis with the cars and attaching a long lever around the trap to 1 of the car’s axles simply using a length of line. The end of the string on the mousetrap is definitely tied to the arm from the trap while the opposite end is injury around the axle. When the mousetrap is “loaded, potential Estimated Reading Time: 8 mins Mousetrap Car Essay determine this, the distance a car travels when tested with the same propulsion force but different wheel diameter is measured. We expect that there will be an optimum size that should be utilized in order to achieve maximum efficiency A mousetrap auto is a combination of two simple machines designed to run much like a gas-powered auto. However. a mousetrap is used alternatively of an internal burning engine for the motor. The most common design involves positioning the mousetrap on the human body of the autos and attaching an drawn-out lever on the trap to one of the car’s axles by utilizing a
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