What can I use for an axle on a mousetrap car?
A mousetrap car is a model car made from simple materials that is powered by a mousetrap. A mousetrap car can be made from cardboard or balsa wood with CD’s for wheels and axles of wood or brass tubing.
What makes a mousetrap car go farther?
Using large rear wheels allow one rotation of the axle to take the car a much further distance. In other words, a given length of the string from the mousetrap moves the car a greater distance.
How long should the string be on a mousetrap car?
Calculating minimum distance The length of the string is about 25″. Therefore the string can be wrapped around the dowel 25/0.785 = About 31.8 times.
How much force does a mousetrap have?
Variability Among Trap Types in Rat and Mouse Traps Clamping force varied between 1.69 and 9.36 N (mean = 4.64, SE = 0.43, n = 23) and between 5.03 and 23.10 N (mean = 11.32, SE = 1.45, n = 18) for mouse and rat traps respectively. Impact momentum varied by a factor of 6 for mouse traps and 8 for rat traps.
What class lever is a mousetrap car?
second
How do mousetrap cars reduce friction?
Try to have a minimum gap of 1/8 inch between the frame and any spacers (or wheels) in order to decrease any rubbing friction. Use thrust washers and graphite powder between spacers (or wheels) and the frame to help reduce the rubbing friction.
Do larger wheels reduce friction?
Wheels reduce friction. A cart with bigger wheels is easier to push because its greater-diameter wheels work like bigger levers, multiplying the pulling or pushing force and making it easier to turn the wheels around their axles—in exactly the same way that a long spanner makes it easier to loosen a nut.
Why do larger wheels reduce mpg?
For example, larger tires decrease your fuel economy because they are heavier, while smaller tires increase fuel efficiency. Bigger tires also have a higher rolling resistance than smaller tires which means they require more resistance and effort to get them rolling.