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There is a reason birds fly and pigs do not. Birds have hollow bones and are light. The lift of the wings can support their light weight.

Pigs have heavy bones and do not have the strength to either jump or lift in their appendages to support their weight.

In airplanes, a heavy airplane, C130, must have more lift in the wings than a light airplane.

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How do center of mass and center of pressure affect a rocket?

The center of mass is the average position of the mass of the rocket, affecting stability and control, while the center of pressure is the average location where aerodynamic forces act, influencing the aerodynamic behavior of the rocket. The relative positions of the center of mass and center of pressure determine the stability of the rocket during flight.


Does a change in the mass affect the density of the object?

No, a change in mass alone does not affect the density of an object. Density is determined by the mass of the object and the volume it occupies, so changes in mass need to be accompanied by corresponding changes in volume to affect an object's density.


Does thermal energy affect mass?

No, thermal energy does not affect mass. Mass is a measure of the amount of matter an object contains, while thermal energy is a measure of the internal energy of an object due to the movement of its particles.


How does changing the shape of an object affect its mass?

Changing the shape of an object does not affect its mass. The mass of an object remains constant regardless of its shape because mass is a measure of the amount of matter present in an object. Changing the shape may affect the object's volume and density, but not its mass.


What is center of mass and how does it affect rocket trajectory and performance?

The center of mass is the point at which the mass of an object is evenly distributed. In rocketry, the position of the center of mass affects the stability of the rocket during flight. If the center of mass is too far forward or too far back, it can cause the rocket to become unstable and veer off course. Properly positioning the center of mass helps ensure a straight trajectory and optimal performance.