Class VII

Earth pulls object towards center causing it to fall
  1. in center
  2. on ground
  3. in air
  4. in space
A force which occurs when two surfaces come in contact and slow down motion while acting in
  1. opposite direction
  2. same direction
  3. both a and b
  4. north direction
A frictional force acting on an object when it moves through air is called
  1. air resistance
  2. water resistance
  3. air pressure
  4. air condensation
If an object is at rest then forces are
  1. balanced
  2. unequal
  3. higher
  4. lower
Shapes and sizes of objects can be changed by help of
  1. force
  2. energy
  3. heat
  4. light
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