Deformation Definition and 207 Threads

Greetings, Earlier this afternoon I managed to ruin a perfectly good plastic container in a microwave oven by unwittingly deforming it. I curious as to why it happened. All I did was warm it (and the chilli inside it) for about a minute with the lid firmly secure. I've been told this was a...

I've been presented to the following problem: A tennis ball can achieve a speed of 100 km/h. During the contact between tennis racket and ball the ball's dimension in the direction of movement is halved. Estimate how long ball and racket are in contact with each other. It can be presumed that...

Hello All, Here is my asking: A rubber ball (blue) is put between two horizontal planes (in red). There is also a deformable cylinder (green) around my ball and this cylinder is filled with water (the cylinder contains the ball and water). 1/If a force/mass is applied on the top of the...

A copper cylinder and a brass cylinder are stacked end to end, as in the drawing. Each cylinder has a radius of 0.22 cm. A compressive force of F = 6450 N is applied to the right end of the brass cylinder. Find the amount by which the length of the stack decreases. Is F=Y(change in L/L0)A the...

Hello everyone I came across a few (relatively standard) problem in elementary classical mechanics... A mass A is traveling with a constant intial velocity (v_{A})_{1} and a massless relaxed spring (spring constant = k) is attached to the mass A. A second mass B is traveling with a...

I am designing a machine called a Ring Expander. Simply put, it's a machine used in metal forging operations to stretch metal rings (15 x 15cm cross section, 30cm inside diameter, 60cm outside diameter) by about 20mm on the diameter. It does this by forcing a cone through a set of jaws, which...

hey, i was just wondering some stuff about the orbit of planets in our solar system. is when passing jupiter, for example, the orbit of Mars deformed, turned into an ellipse? if so, does this mean that Mars is getting closer and closer to jupiter, or is there something that will keep Mars from...