43 True/False questions

law of conservation of momentum → law that says that energy can be transformed from one kind to another but cannot be created or destroyed

momentum → term for the product of an object's mass and velocity

remains constant → When the net force acting on a system is zero, the momentum of the whole system _____ _____.

nonconservative force → term for a force whose energy change varies according to the length of its path

energy → Newton's first law states that any material object has ____.

False → True or False: Inertia conserves velocity in a system of objects.

law of conservation of mechanical energy → law that states that the total mechanical energy of a system is constant

potential energy → term for the energy an object acquires when it is exposed to a force

friction → Is momentum a vector quantity or a scalar quantity?

locations, path → In a system where the motions of individual bodies are governed solely by a conservative force, the total kinetic and potential energy of the system is _____.

KE= 1/2mv^2 → _______ work is done when a force is applied in the direction opposite to motion.

elastic force → term for a collision in which energy of motion may be transferred from one object to another, but remains energy of motion

Positive → A negative sign indicates that the force is ____ to motion.

opposite → A negative sign indicates that the force is ____ to motion.

workenergy theorem → term for energy of motion

impulse → True or False: Inertia conserves velocity in a system of objects.

velocity change → A negative sign indicates that the force is ____ to motion.

positive, stop → _______ work is done when a force is applied in the direction of motion.

momentum → Newton's second law says that force is equal to the time rate of change in _____.

True → True or False: Energy is conserved even where a nonconservative force like friction is operating.

kinetic energy → term for energy of motion

law of conservation of momentum → law that says that energy can be transformed from one kind to another but cannot be created or destroyed

PE → abbreviation for potential energy

masses → If two objects are to be accelerated to the same velocity in the same time, the required force depends on their ____.

F=kx → True or False: Inertia conserves velocity in a system of objects.

kinetic, potential → As a ball is thrown up into the air, its ____ energy is converted to ____ energy.

mechanical energy → term for the energy an object acquires when it is exposed to a force

False → True or False: There are a few known exceptions to the law of conservation of energy.

potential energy → term for energy of motion

elastic collision → term for a collision in which energy of motion may be transferred from one object to another, but remains energy of motion

negative, stopped → Kinetic energy is equal in magnitude to the _____ work required for one object to be _____ by another.

inertia → term for the capacity to do work

friction → Is momentum a vector quantity or a scalar quantity?

Negative → _______ work is done when a force is applied in the direction opposite to motion.

vector → Is momentum a vector quantity or a scalar quantity?

gravitational force and elastic force → An object in the vicinity of the earth has ______ potential energy as a result of being under the influence of gravity.

True → abbreviation for potential energy

gravitational → An object in the vicinity of the earth has ______ potential energy as a result of being under the influence of gravity.

conservative force → term for a force that undergoes the same energy change regardless of its path

dissipative force → term for a force that undergoes the same energy change regardless of its path

isolated, uniform → The kinetic energy equation assumes that the object is ____ and has undergone _____ acceleration from rest.

constant → _______ work is done when a force is applied in the direction of motion.

law of conservation of energy → law that says that energy can be transformed from one kind to another but cannot be created or destroyed