Science motion

• Which of the following is NOT a vector quantity

  a . Acceleration

  b . Distance

  c . Velocity

  d . weight

  distance
• Which of the following is a scalar quantity?

  a . Acceleration

  b . displacement

  c . speed

  d . weight

  speed
• A student made a remark and said, "My house is 1 kilometer away from the school." How should the student call 1 kilometer?

  a . displacement

  b . distance

  c . force

  d . time

  distance
• which of the following is the appropriate metric unit for velocity?

  a . +15.0 m

  b . +20.0 m

  c . -15.0 m

  d . -20.0m

  +15.0 m
• How do you describe the acceleration of a free-falling object?

  a . zero

  b . constant

  c . keeps on changing

  d . cannot be determined

  constant
• which of the following is a scalar quantity?

  a . acceleration

  b . displacement

  c . time

  d . velocity

  time
• Which of the following is correct about motion?

  A . speed and velocity are always the same

  B . An object slows down when force is applied

  C . if the displacement is zero, there is no motion

  D . an object's change in position indicates motion

  D
• Which of the following is a vector quantity?

  A . I walked 2.0km going to school.

  B . It took me 25.0 min to eat.

  C . The car is travelling at 55.0/ms

  D . The object is moving to the right at 2.0/ms

  D
• Scalar focuses more on magnitude.
• Vector focuses more both on magnitude and direction
• Which phrase below will complete the sentence: An object at constant velocity is______?

  A . not moving

  B . not accelerating

  C . moving with a changing speed

  D . moving with constant acceleration

  B