sieos k8

in #fsc6 years ago
  1. One newton is equal to ……. dyne.
    (12) There are ……….. fundamental forces.
    (13) The gravitational force is a ……… range force .
    (14) Weight has both magnitude and ………. .
    (15) The SI unit of weight is ……… .
    (16) Mass is a scalar quantity and its SI unit is ……… .
    (17) The gravitational force interact between ………. .
    (18) The weight of 50 kg mass is ……….. .
    (19) The nuclear force is a ……. range force.
    (20) The ratio of mass to volume is defined as ……… .
    . The magnitude of the resultant of the force 6 N east and a force of 8 N north is 14 N.
  1. When a boy is in motion , there is a change in position.
  2. A quantity that has inly magnitude and is called ………… .
  3. A scalar is the magnitude of a vector .
  4. A vector can be expressed by an arrow.
  5. The sum of two (or) more vectors is called vector component.
  6. If X ⃗ = -Y ⃗, then X ⃗ and Y ⃗ have the same magnitudes.
  7. Distance is a scalar quantity.
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