A) Energy is not a factor in mechanical systems. B) Energy cannot be created or destroyed, only transformed from one form to another. C) Energy is constantly decreasing in a closed system. D) Energy can be created and destroyed at will.
A) Chemical potential energy B) Kinetic energy C) Elastic potential energy D) Gravitational potential energy
A) Einstein's theory of relativity B) Newton's third law of motion C) Newton's second law of motion D) Newton's first law of motion
A) Infinity B) Variable C) Dependent on mass D) Zero
A) Momentum can be created or destroyed at will. B) The total momentum of an isolated system remains constant if no external forces act on it. C) Momentum depends on the size of the objects. D) Momentum constantly increases in any system.
A) Uniform linear motion B) Non-linear motion C) Simple harmonic motion D) Circular motion
A) m/s2 B) Joule C) kg m/s D) N
A) Newton's third law of motion B) Newton's first law of motion C) Newton's law of gravitation D) Newton's second law of motion
A) The total force on a particle is the vector sum of all individual forces acting on it. B) The displacement of a particle is directly proportional to the applied force. C) The net force on a particle is equal to the mass times acceleration. D) The total energy of a system is constant over time without any external forces.
A) Energy B) Pressure C) Work D) Power
A) Newton B) Joule C) Watt D) Kilogram
A) Moment of inertia B) Angular acceleration C) Torque D) Angular velocity
A) To determine conservation of energy. B) To study projectile motion. C) To analyze equilibrium conditions and solve for unknown forces in a system. D) To calculate acceleration of an object.
A) The relationship between force and acceleration. B) The relationship between the force applied to a spring and the resulting extension or compression of the spring. C) The law of universal gravitation. D) The law of conservation of momentum.
A) Acceleration B) Velocity C) Kinetic Energy D) Force |