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Unit 2 Vocabulary

Across
_______ Principle: a statement that describes how pressure is evenly transmitted throughout a contained fluid when pressure is applied to the fluid by an external force
a resistance to motion between two objects that are in contact with one another
_______ force: a pulling force that is transmitted through a rope, string, wire, or cable
_______ Principle: a principle which states that if a fluid increases in velocity, this increase will cause a corresponding decrease in the fluid’s pressure
Newton's ______ Law of Motion: a law which states that an object at rest or in motion stays at rest or in motion unless acted on by an unbalanced force
a force possessed by objects that attracts other objects
_______ force: a force that is caused by the influence of a noncontact field
_______ force: a force of attraction between two objects, the strength of which depends on the mass of the objects and the distance between them
the downward force of an object with mass due to the acceleration of gravity on the object
a sketch used to show the magnitude and direction of all the forces acting on an object
_______ forces: a situation in which more than one force, acting in different directions, cancel each other out
the ratio, or relationship, between a substance’s mass and its volume
_______ force: a force that is exerted on an object directly by pushing or pulling
_______ forces: a situation in which a force acting on an object is not canceled out by one or more other forces acting in other directions
_______ force: a supportive force that acts at right angles to a surface and helps support an object sitting on that surface
the amount or quantity of material contained in an object
Newton's ______ Law of Motion: a law which states that a mass under the influence of an unbalanced force will accelerate in proportion to the magnitude of the force
Down
the amount of force per unit area
the maximum velocity that can be attained by a free-falling object due to the resistance of the atmosphere it is falling through
Newton's ______ Law of Motion: a law which states that for every action, an equal and opposite reaction results
the state of an object that is being acted upon solely by the force of gravity
_______ Principle: a principle which states that an object completely or partially submerged in a fluid experiences an upward force that is equal to the weight of the fluid displaced by the object
the ability of a fluid to cause an object to float or suspend in it
a unit of pressure that is defined as the force of 1 N exerted over 1 m^2
_______ force: a force of resistance that results as moving objects come into contact with their surroundings
_______ force: a force exerted on an object placed in a fluid that acts in the opposite direction to the weight of the object
the tendency of an object with mass to resist a change in motion
a push or pull acting on an object
substances made of particles that can be made to move, or flow, from one space to another
_______ force: the sum of all the forces acting on an object
a type of frictional force that acts on objects as they move through air