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