Chapter 5: Projectile Motion - Review

What two things are required of a vector quantity?

• force and time

• direction and magnitude

• time and temperature

• direction and mass

Tags

NGSS.HS-PS3-5

Is the following sentence true or false? Velocity is a scalar quantity.

• True

• False

Circle the letter of each quantity that is a vector quantity.

• velocity

• time

• acceleration

• momentum

A scalar quantity includes only ________________.

• magnitude

• direction

• velocity

• acceleration

Any vector can be resolved, or broken, into an equivalent set of two ________________ vectors at right angles to each other.

• component.

• parallel.

• opposite.

• identical.

Is the following sentence true or false? Component vectors are always at right angles to each other.

• True

• False

Is the following sentence true or false? The two components of a vector are independent of each other.

• True

• False

The __________ component of velocity for a projectile always changes with time.

• vertical

• horizontal

• constant

• uniform

Circle the letter that best describes the relationship between the vertical and horizontal components of velocity for a projectile.

• equal

• opposite

• independent

• constant

Is the following statement true or false? Ignoring air resistance, the horizontal component of velocity of a horizontally launched projectile remains constant.

• True

• False