The branch of physics which deals with motion of bodies under the action of forces is called:
Correct answer: A. Mechanics
- A. Mechanics
- B. Statistical Mechanics
- C. Thermodynamics
- D. Electrostatics
Explanation
Mechanics is the correct answer. It is the branch of physics that studies the motion of objects and the forces acting upon them. Classical mechanics, which deals with objects moving at speeds much less than the speed of light, includes both kinematics (the study of motion without regard to its causes) and dynamics (the study of the forces causing motion).
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About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
Practise Measurements
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