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