11- When an object is totally submerged in fluid, this object will be heavier (Its mass will be larger) than when it is in the air. 12-A rigid body is a body whose particles do not change their distance from each other. 13- In resonance of air columns, the wave sound propagates transversally (i.e. perpendicular to the motion). 14-One of the conditions of rigid body equilibrium, the net extermal forces on the body must be zero. 15- The objective of thermal expansion is to measure the coefficient of linear expansion for given material. 16- Heat is the transfer of energy from a substance at a lower temperature to a substance at a higher temperature.

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11- When an object is totally submerged in fluid, this object will be heavier (Its mass
will be larger) than when it is in the air.
12-A rigid body is a body whose particles do not change their distance from each
other.
13- In resonance of air columns, the wave sound propagates transversally (i.e.
perpendicular to the motion).
14-One of the conditions of rigid body equilibrium, the net extermal forces on the
body must be zero.
15- The objective of thermal expansion is to measure the coefficient of linear
expansion for given material.
16- Heat is the transfer of energy from a substance at a lower temperature to a
substance at a higher temperature.
Transcribed Image Text:11- When an object is totally submerged in fluid, this object will be heavier (Its mass will be larger) than when it is in the air. 12-A rigid body is a body whose particles do not change their distance from each other. 13- In resonance of air columns, the wave sound propagates transversally (i.e. perpendicular to the motion). 14-One of the conditions of rigid body equilibrium, the net extermal forces on the body must be zero. 15- The objective of thermal expansion is to measure the coefficient of linear expansion for given material. 16- Heat is the transfer of energy from a substance at a lower temperature to a substance at a higher temperature.
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