Friction that opposes the motion of an object through a fluid; air resistance is an example.

A force that acts between any two masses; it is an attractive force (a pull).

The force of gravity acting on a particular object.

The amount of matter an object contains; objects with greater mass have greater inertia.

The constant velocity a falling object reaches when air resistance balances the force of gravity.

The motion of a falling object that also has a forward velocity, like a cannonball or a javelin.

Newton’s First Law of Motion

An object at rest stays at rest, and an object in motion stays in motion at the same speed and direction unless acted on by an unbalanced force.

The tendency of an object to resist a change in its motion.

Newton’s Second Law of Motion

The force acting on an object is the product of the mass of the object and the rate of its acceleration (Force = Mass x Acceleration, or F = ma).

Newton’s Third Law of Motion

Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object.

A quantity used to keep track of equal and opposite forces in a system; calculated as mass × velocity (Momentum = Mass x Velocity, or p = mv).

Law of Conservation of Momentum

In a closed system, the loss of momentum of one object equals the gain in momentum of another; total momentum is conserved.

A collision in which objects bounce off each other.

A collision in which objects deform or stick together.

Electromagnetic Force

A force associated with charged particles; it can attract and repel.

The center of an atom, containing protons and neutrons.

A powerful force of attraction that holds together protons in the nucleus of an atom. It counteracts the electromagnetic force which repels positively-charged protons from each other.

A force that acts only over a very short range in the nucleus and is involved in certain types of radioactive processes.

Newton’s Law of Universal Gravitation

Every object in the universe attracts every other object. Larger masses increase the force of gravity, but gravity decreases as the distance between objects increases.

A center-directed force that continuously changes the direction of an object to make it move in a circular path.

The bulges in Earth’s oceans caused by the gravitational pull of the moon.

An object in orbit around a planet. Satellites can be natural, like the moon, or artificial, like the James Webb Space Telescope.

ICP Unit 2A Vocab Flashcards Flashcards

Student preview

29 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Force

Back

A push or a pull that acts on an object.

2.

FLASHCARD QUESTION

Front

Newtons (N)

Back

The unit used to measure force. One newton is the amount of force that can cause a 1 kilogram mass to accelerate at 1 m/s².

3.

FLASHCARD QUESTION

Front

Net Force

Back

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

4.

FLASHCARD QUESTION

Front

Friction

Back

A force that opposes the motion of objects that are in contact with each other.

5.

FLASHCARD QUESTION

Front

Static Friction

Back

Friction between objects that aren’t moving.

6.

FLASHCARD QUESTION

Front

Sliding Friction

Back

Friction that opposes the direction of motion of an object as it slides over a surface.

7.

FLASHCARD QUESTION

Front

Rolling Friction

Back

Friction that acts on rolling objects.

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