Class IX

In the following example, try to identify the number of times the velocity of ball changes: A football player kicks a football to another player of his team who kicks the football towards the goal. The goalkeeper of the opposite team collects the football and kicks it towards a player of his own team.
  1. Five times
  2. Three times
  3. Four times
  4. Six times
Rocket works on the principle of conservation of
  1. Mass
  2. Energy
  3. Momentum
  4. Velocity
A body of weing W is suspended from the ceiling of a room through a rope of weight R. the ceiling pulls the rope by a force of
  1. W
  2. R
  3. W + R
  4. (W +R ) /2
Acceleration acts always in the direction
  1. of the displacement
  2. of the initial velocity
  3. of the net force
  4. of the final velocity
Action and reacton act on
  1. Same body but in opposite directions
  2. Same body and in same direction
  3. Different bodies but in opposite directions
  4. Differentbodies but in same direction
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

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