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Science Vocab Ch.2+3

Motion

QuestionAnswer
the tendency of an object to resist any change in motion Inertia
a rate of change of velocity which occurs if an object speeds up, changes direction, or slows down. Acceleration
total distance that an object travels divided by the total time it takes to travel that distance. Average Speed
forces on the body that are equal in size and opposite in direction and do not change the motion of the body. Balanced Forces
distance and direction of an object's change in position from the starting point. Displacement
speed at a given point in time. Instantaneous Speed
the speed of an object and the direction of its motion. Velocity
push or pull one body exerts on another. Force
2 or more forces act on an object at the same time combine forces Net Force
the net force acting on an object causes the object to accelerate in the direction of the net force Newton's Second Law of Motion
the force that opposes motion between two surfaces that are touching each other. Friction
any two masses exert an attraction force on each other. Law of Gravitation
gravitational farce exerted on an object. Weight
acceleration toward the center of a curved or circular path. Centripetal Acceleration
an unbalanced force Centripetal Force
action-reaction pairs: one object exerts a force on a second object, the 2nd one exerts a force on the 1st that is equal in size and opposite in direction as the 1st. Newton's Third Law of Motion
product of an object's mass and velocity Momentum
Created by: Chrissy181818
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