Newtons Notions Vocabulary Flashcards

1
Q

Any of the basic mechanical devices for applying a force such as an inclined plane wedge or lever

A

Simple machines

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2
Q

A rigid bar resting on a pivot used to help move a heavy or firmly fixed load with one end when pressure is applied to the other

A

Lever

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3
Q

A piece of wood metal or some other material having one thick edge that is driven between two objects of parts of an object to secure or separate them

A

Wedge

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4
Q

A short slender sharp pointed metal pin with a raised helical thread running around it and a slotted head used to join things together by being rotated so that it pierces wood or other material and is held tightly in place

A

Screw

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5
Q

A sloping ramp up which heavy loads can be raised by ropes or chains

A

Inclined plane

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6
Q

A wheel with a grooved rim around which a cord passes it acts to change the direction or a force applied to the cord and is chiefly used to raise heavy weights

A

Pulley

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7
Q

A simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage

A

Wheel and axle

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8
Q

The point on which a lever rests or is supported and in which it pivots

A

Fulcrum

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9
Q

States that an object will remain at rest or in uniform motion in a strait line unless acted upon by an external force

A

Newtons 1st law

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10
Q

States that the acceleration of an objects is dependent upon two variables the net force acting upon the object and the mass of the object

A

Newtons 2nd law

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11
Q

For every action there is an equal and opposite reaction

A

Newtons 3rd law

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12
Q

Two forces acting in opposite directions on an object and equal in size anytime there is a balanced force on an object object stay still or continues moving continues to move at the same speed and in the same direction

A

Balanced forces

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13
Q

If two individual forces are equal in magnitude and opposite direction in the forces are said to be balanced and object is said to be acted upon by an unbalanced force only when there is an individual force that is knocking down spy a force of equal magnitude and in the opposite direction

A

Unbalanced force

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14
Q

Definition of inertial force A force opposite indirection to an accelerating force acting on the body and equal to the product of the Excelerator in force and the mass of the body

A

Inertia

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15
Q

The resistance that one surface or object encounters with moving over another

A

Friction

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16
Q

The speed of something in a given direction

A

Velocity

17
Q

The rate at which someone or something is able to move or operate

A

Speed

18
Q

The force that attracts a body toward the center of the earth or toward any other physical body having a mass for most purposes newtons laws of gravity apply with minor modifications to take the general Siri of relativity into account

A

Gravity

19
Q

A coherent it typically large body of matter with no definite shape

A

Mass

20
Q

The action or process of moving or being moved

A

Motion

21
Q

Energy that a body possesses by virtue of being in motion

A

Kinetic energy

22
Q

The energy possessed by a body by virtue of its position relative to others stresses with in itself electric charge and other factors

A

Potential energy

23
Q

Activity involving mental or physical effort done in order to achieve a purpose or result

A

Work

24
Q

Increase in the rate or speed of something

A

Acceleration

25
Q

The overall force acting on an object

A

Net force

26
Q

The constant speed that are freely falling object eventually reaches when the resistance of the medium through which it is falling prevents further acceleration

A

Terminal velocity

27
Q

The quantity of motion of a moving body measured as a product of its mass and velocity

A

Momentum