A) A principle stating energy is conserved in a closed system. B) A principle stating that the path taken by a system is the one for which the action is minimized. C) A rule governing the motion of planets. D) A law that describes electromagnetic interactions.
A) Energy can neither be created nor destroyed. B) Force equals mass times acceleration. C) An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a force. D) Every action has an equal and opposite reaction.
A) The force applied over time. B) The rate of change of position. C) The energy of motion. D) The product of an object's mass and its velocity.
A) The instantaneous rate of energy change. B) The force times the velocity. C) The total energy stored in an object. D) The product of the force and the displacement in the direction of the force.
A) The energy required to maintain constant velocity. B) The force needed to extend or compress a spring is proportional to the distance it is stretched. C) The relationship between heat and work. D) The behavior of fluids in motion.
A) The linear momentum of an object in circular motion. B) The force applied perpendicular to the radius. C) The total energy of a rotating system. D) The product of an object's moment of inertia and angular velocity.
A) Only kinetic energy is conserved in collisions. B) Kinetic energy is always greater than potential energy. C) Energy can be created from nothing. D) The total energy in an isolated system remains constant.
A) Uniform circular motion. B) Random motion without a pattern. C) Any motion caused by external force. D) Motion that repeats regularly in time.
A) The energy required to stop a moving object. B) The force needed to set an object in motion. C) The resistance of an object to any change in its motion. D) The gravitational pull on an object.
A) E = mc2, indicating mass can be converted to energy. B) Mass is a measure of gravitational force. C) Energy cannot be created or destroyed. D) Energy is always constant.
A) Linear motion along a straight path. B) Vertical motion of falling objects. C) Motion of an object around an axis. D) Any motion resisted by friction.
A) Potential energy is constant regardless of altitude. B) Only mass affects gravitational potential energy. C) Height does not affect gravitational force. D) Gravitational potential energy increases with height.
A) A constant energy state. B) No effect on energy change. C) An increase in the system's energy. D) A decrease in the system's energy.
A) Isaac Newton B) Albert Einstein C) James Clerk Maxwell D) Galileo Galilei
A) Watt B) Joule C) Pascal D) Newton
A) Newton's Third Law B) Newton's First Law C) Newton's Second Law D) Law of conservation of energy
A) F = m/g B) F = ma C) F = ma2 D) F = mv
A) Displacement B) Orbit C) Velocity D) Trajectory
A) Newton's First Law B) Law of universal gravitation C) Newton's Second Law D) Newton's Third Law
A) Joule B) Newton C) Pascal D) Watt |