A) A law that describes electromagnetic interactions. B) A rule governing the motion of planets. C) A principle stating that the path taken by a system is the one for which the action is minimized. D) A principle stating energy is conserved in a closed system.
A) Energy can neither be created nor destroyed. B) Force equals mass times acceleration. C) Every action has an equal and opposite reaction. 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 force applied over time. C) The rate of change of position. D) The product of an object's mass and its velocity.
A) The force times the velocity. B) The product of the force and the displacement in the direction of the force. C) The total energy stored in an object. D) The instantaneous rate of energy change.
A) The behavior of fluids in motion. B) The energy required to maintain constant velocity. C) The relationship between heat and work. D) The force needed to extend or compress a spring is proportional to the distance it is stretched.
A) The total energy of a rotating system. B) The linear momentum of an object in circular motion. C) The force applied perpendicular to the radius. D) The product of an object's moment of inertia and angular velocity.
A) The total energy in an isolated system remains constant. B) Only kinetic energy is conserved in collisions. C) Energy can be created from nothing. D) Kinetic energy is always greater than potential energy.
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 force needed to set an object in motion. B) The gravitational pull on an object. C) The energy required to stop a moving object. D) The resistance of an object to any change in its motion.
A) E = mc2, indicating mass can be converted to energy. B) Mass is a measure of gravitational force. C) Energy is always constant. D) Energy cannot be created or destroyed.
A) Vertical motion of falling objects. B) Motion of an object around an axis. C) Linear motion along a straight path. 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) A decrease in the system's energy. D) An increase in the system's energy.
A) Albert Einstein B) Galileo Galilei C) Isaac Newton D) James Clerk Maxwell
A) Pascal B) Newton C) Watt D) Joule
A) Newton's First Law B) Newton's Second Law C) Newton's Third Law D) Law of conservation of energy
A) F = m/g B) F = mv C) F = ma D) F = ma2
A) Velocity B) Displacement C) Orbit D) Trajectory
A) Newton's First Law B) Newton's Second Law C) Law of universal gravitation D) Newton's Third Law
A) Newton B) Watt C) Pascal D) Joule |