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Questions and Answers
Which law of classical mechanics states that a body is at rest or moving uniformly along a straight line if the resultant force acting on it is zero?
Which law of classical mechanics states that a body is at rest or moving uniformly along a straight line if the resultant force acting on it is zero?
- Law of action and reaction
- Law of conservation of momentum
- Law of motion
- Law of inertia (correct)
What is the equation for the motion of a body, as expressed by Newton's second law of motion?
What is the equation for the motion of a body, as expressed by Newton's second law of motion?
- $F = rac{m}{a}$
- $F = rac{mv}{t}$
- $F = rac{mv^2}{r}$
- $F = ma$ (correct)
What are the two types of energy that reflect the changes in the translational and rotational motion of a body?
What are the two types of energy that reflect the changes in the translational and rotational motion of a body?
- Potential energy and thermal energy
- Potential energy and kinetic energy (correct)
- Mechanical energy and thermal energy
- Kinetic energy and thermal energy
What are the consequences of the action of forces on a body, besides changes in potential and kinetic energy?
What are the consequences of the action of forces on a body, besides changes in potential and kinetic energy?
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What is the equation for the law of motion expressed by the equation for the motion of a body?
What is the equation for the law of motion expressed by the equation for the motion of a body?
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