The pivot point around which a lever rotates.

The force of attraction between two masses, commonly associated with the Earth.

A flat surface tilted at an angle used to help raise or lower objects.

The tendency of an object to resist changes in its state of motion.

Occurring at a specific moment in time, not averaged over a period.

A simple machine consisting of a rigid bar that pivots around a fulcrum to lift or move loads.

The factor by which a machine multiplies the force applied to it.

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F = ma).

The location of an object in space relative to a reference point.

A graph that shows the position of an object as a function of time.

A simple machine that consists of a wheel over which a rope or chain is drawn to lift objects.

The force that opposes the effort force in a machine.

A device that makes work easier by allowing us to push or pull over increased distances.

The steepness or angle of a line on a graph, representing the ratio of vertical change to horizontal change.

The distance traveled per unit of time, typically measured in meters per second (m/s).

A device used to measure force or weight, using a spring that stretches in response to the load.

Forces that are not equal and opposite, resulting in a change in motion.

A simple machine that consists of two inclined planes joined together, used to separate or hold objects apart.

The force exerted by gravity on an object, calculated as W = mg, where m is mass and g is the acceleration due to gravity.

A simple machine consisting of a large wheel attached to a smaller axle, used to lift or move loads.

The transfer of energy that occurs when a force is applied over a distance, calculated as W = fd.

The amount of work done on a machine or system to increase its energy.

The force that opposes the relative motion or tendency of such motion of two surfaces in contact.

The speed of an object in a particular direction, measured in meters per second (m/s).

A state in which opposing forces or influences are balanced, resulting in no net change in motion.

The attractive force between two masses, proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

For every action, there is an equal and opposite reaction.

A device that changes the direction or magnitude of a force, including levers, pulleys, inclined planes, wheels and axles, screws, and wedges.

A flat surface tilted at an angle to help lift or lower loads with less effort.

The ratio of the output force produced by a machine to the input force applied, used to assess the efficiency of a machine.

The force that opposes the relative motion or tendency of such motion of two surfaces in contact.

A mechanical device that changes the direction or magnitude of a force, including levers, pulleys, and inclined planes.

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

The rate of change of velocity of an object with respect to time.

Action- Reaction Pair

For every action, there is an equal and opposite reaction. (Newton's Third Law).

The size or amount of a quantity, often referring to force or velocity.

The change in position of an object over time.

The overall force acting on an object after all the forces are combined.

A graph that shows how the velocity of an object changes over time.

The amount of work done by a machine or system as a result of its energy conversion.

Unit 7 Vocabulary Flashcards

Student preview

49 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Acceleration of Gravity

Back

The acceleration experienced by an object due to Earth's gravitational pull, approximately 9.81 m/s².

2.

FLASHCARD QUESTION

Front

Balanced Forces

Back

Forces acting on an object that are equal in size but opposite in direction, resulting in no change in motion.

3.

FLASHCARD QUESTION

Front

Direction

Back

The path along which something moves, pointing from one location to another.

4.

FLASHCARD QUESTION

Front

Distance

Back

The total length of the path traveled by an object, irrespective of direction.

5.

FLASHCARD QUESTION

Front

Effort Force

Back

The force applied to a machine or object to accomplish work.

6.

FLASHCARD QUESTION

Front

Force

Back

A push or pull acting on an object, measured in Newtons (N).

7.

FLASHCARD QUESTION

Front

Free Fall

Back

The motion of an object under the influence of gravitational force only.

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