Newton's Laws

• the less mass, the less acceleration

• the greater the force, the less acceleration

• is related to balance

• the greater the mass, the less acceleration

The Normal is a force that:

• Never produces acceleration

• Has the direction of motion

• Is equal to the inertia

• Occurs in free fall

The friction force:

• Never produces acceleration

• It's perpendicular to the surface

• Is not related to non-equilibrium

• It is always opposite to the movement

According to Newton's 2nd Law, when an object is thrown upward:

• It has no acceleration

• its acceleration goes downwards

• its acceleration is zero at the highest point

• while it rises it is in balance

Newton's second law is related to bodies that move uniformly

• True

• False

When a car is moving horizontally and it slows down we have that:

• Its net force is zero

• It is in equilibrium

• Its net force is opposite to the movement

• Its engine force is greater than friction force

When a body passes from rest to a certain speed, it is applied in that axis ∑F = ma

• True

• False

If an object moves with acceleration on a horizontal surface, then ∑Fy = ma

• True

• False

When a car moving to the right slows down, ∑F = - ma is applied

• True

• False

A freely falling body is an example of Newton's 2nd law.

• True

• False