Physics Mid Term 2/2

The following are examples of magnitudes except:

• Mass

• Time

• Lenght

• Gravity

The following are examples of units of measurement of Velocity, except:

• m/s²

• km/h

• m/s

• mi/h

The units of measurement to express this magnitude are $\frac{kg\ m}{s^2}$ , but they are commonly known as:

• Miles

• Newtons

• Dynes

• Pounds

The gravitational force value on Earth is:

• 8.91 m/s²

• 3.1415 m/s²

• 9.81 m/s²

• 10 m/s²

What's the name of the System of Measurement used in México?

A __________ produces changes in the velocity of an object, its direction and its shape.

The effect of _________ accelerates bodies in free fall.

A negative acceleration indicates that an object's velocity ___________.

The attraction of a magnetic field generated by a magnet is considered a non-contact force

• True

• False

What's the name of the force that acts on objects in movement that decrease their velocity?

• Gravity

• Thrust

• Normal

• Friction