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 law that describes electromagnetic interactions. 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 force applied over time. B) The product of an object's mass and its velocity. C) The energy of motion. D) The rate of change of position.
A) The total energy stored in an object. B) The product of the force and the displacement in the direction of the force. C) The force times the velocity. D) The instantaneous rate of energy change.
A) The behavior of fluids in motion. B) The force needed to extend or compress a spring is proportional to the distance it is stretched. C) The energy required to maintain constant velocity. D) The relationship between heat and work.
A) The product of an object's moment of inertia and angular velocity. B) The linear momentum of an object in circular motion. C) The force applied perpendicular to the radius. D) The total energy of a rotating system.
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) Any motion caused by external force. B) Random motion without a pattern. C) Uniform circular motion. D) Motion that repeats regularly in time.
A) The force needed to set an object in motion. B) The energy required to stop a moving object. C) The resistance of an object to any change in its motion. D) The gravitational pull on an object.
A) Mass is a measure of gravitational force. B) Energy is always constant. C) Energy cannot be created or destroyed. D) E = mc2, indicating mass can be converted to energy.
A) Linear motion along a straight path. B) Any motion resisted by friction. C) Vertical motion of falling objects. D) Motion of an object around an axis.
A) Gravitational potential energy increases with height. B) Potential energy is constant regardless of altitude. C) Height does not affect gravitational force. D) Only mass affects gravitational potential energy.
A) No effect on energy change. B) A decrease in the system's energy. C) A constant energy state. D) An increase in the system's energy.
A) James Clerk Maxwell B) Isaac Newton C) Galileo Galilei D) Albert Einstein
A) Newton B) Pascal C) Joule D) Watt
A) Newton's First Law B) Newton's Third Law C) Newton's Second Law D) Law of conservation of energy
A) F = ma B) F = ma2 C) F = m/g D) F = mv
A) Velocity B) Trajectory C) Orbit D) Displacement
A) Law of universal gravitation B) Newton's Third Law C) Newton's First Law D) Newton's Second Law
A) Joule B) Pascal C) Watt D) Newton |