Sci 3p 1st U1L3 : Physical Quantities. Scalars and Vectors

The scalar quantity is identified by its …..........

• magnitude only
• direction only
• magnitude and direction
• magnitude and vclocity

…................ is a scalar physical quantity that is identified by magnitude only.

• Velocity
• Acceleration
• Time
• Force

All of the following are scalar quantities except …...........

• length.
• force.
• time.
• mass.

To determine the length, mass and time, we must know …..............

• the magnitude and the direction.
• the magnitude and the measuring unit.
• the direction and the measuring unit.
• the magnitude, the direction and the measuring unit.

From the examples of the scalar physical quantities are …..........

• the length and the acceleration.
• the time and the weight.
• the mass and the velocity.
• the time and the speed.

Which of the following physical quantities are considered as scalars only ?

• The force and the time.
• The mass and the force.
• The radius and the area.
• The displacement and the acceleration.

…......... is from the examples of the scalar quantities.

• Displacement
• Mass
• Force
• Acceleration

…............... is the physical quantity that both its magnitude and direction are necessary for identifying it.

• The quantity of matter
• Scalar quantity
• Vector quantity
• Speed

Which of the following physical quantities are considered as vectors only ?

• The mass and the force.
• The displacement and the acceleration.
• The radius and the area.
• The force and the time.

From the examples of the vector physical quantities is …............

• displacement.
• mass.
• time.
• distance.