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Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute value (magnitude) of velocity is called "speed", being a coherent derived unit whose quantity is measured in the SI (metric system) as metres per second (m/s) or as the SI base unit of (m⋅s−1).

The velocity of the yellow and blue is going up but the acceleration yellow is going down and blue cars is going up, so that mean to have no velocity you have to be completely still.

https://en.wikipedia.org/wiki/Velocity

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The force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.

The apple will continue to fall downwards until there is no gravity which is call anti gravity.

http://www.dictionary.com/browse/gravity

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A property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.

The coin would have not gone in the water if she/he didn't move the piece of paper.

http://www.dictionary.com/browse/inertia

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The rate of change of velocity per unit of time.

The person running will run faster and faster if they keep going.

http://www.dictionary.com/browse/acceleration

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Friction is a catchall word that refers to any force that resists relative tangential motion (or intended motion). "Relative tangential motion" is a fancy way to say "slipping" or "sliding". Its direction is opposite the relative velocity (or intended velocity).

It show that the way you're pushing, friction is pushing other way.

https://physics.info/friction/summary.shtml

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An influence tending to change the motion of a body or produce motion or stress in a stationary body. The magnitude of such an influence is often calculated by multiplying the mass of the body by its acceleration.

The man is creating force as he pushes the box

http://www.dictionary.com/browse/force

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Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

The image shows that if you use force by pushing the box across the floor that motion will start but if you stop pushing the box motion will stop.

http://www.physicsclassroom.com/class/newtlaws/Lesson-3/Newton-s-Second-Law

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In physics, mass is a property of a physical body. It is the measure of an object's resistance to acceleration (a change in its state of motion) when a net force is applied. It also determines the strength of its mutual gravitational attraction to other bodies.

It shows that if you have more molecules you have more mass.

https://en.wikipedia.org/wiki/Mass

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Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.

The action is that one person is pushing away from the other person on skateborads and which  will lead to the recation of the skateboard to move away from each other.

http://www.physicsclassroom.com/class/newtlaws/Lesson-4/Newton-s-Third-Law

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Object will remain in their state of motion unless a force acts to change the motion.

The Bicycle will continue to move until he hits the wall.

http://www.physicsclassroom.com/class/newtlaws/Lesson-1/Newton-s-First-Law

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In physics, motion is a change in position of an object over time. Motion is described in terms of displacement, distance, velocity, acceleration, time and speed. ... Thus, everything in the universe can be considered to be moving.

The picture show that the ball will stay in motion unless something or someone stop it.

http://www.dictionary.com/browse/motion