Which is the value of gravity in free fall

In free fall a positive velocity means that a body is moving __________

In free fal we assume that the initial velocity of the object is zero?

In free fall the gravity must be ______

Which is the difference between free fall and vertical throw directed downwards

In vertical throw directed upwards, the time of the ball going up is the same time of __________

In vertical throw directed upwards, the velocity of the ball when it returns to initial position is the same but with negative sign?

In projectile motion the angle of launch will be

In projectile motion we have always two components in velocity, the velocity in X and the velocity in Y.

In projectile motion, the velocity in the Y axis is ____ when the projectile is at the maximum height

1 revolution is

We hace two types of mechanics

The force measures the interaction between two or more objects?

The unit of mass is :

The newtons first law mention that if and object is at rest it will stay at rest ALWAYS

"for every action force there si a corresponding reaction force, which is equal in magnitude but with an opposite direction" which newton law tell us this ?

What does the 2 newton's law tell us?

The effect of a roller coaster is a representation of which newton's law?

The weight is also called gravitational force?

The normal is the vector that is in contact between the object and the surface?

Is a diagram that show us the forces acting on a object

the static friction is without relative motion?

Bonus* in one class i say which was my favorite topic of physics , which was it?