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In the following example, try to …

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In the following example, try to identify the number of times the number of times the velocity of the ball changes: "A football player towards the goal. The goalkeeper of the opposite team collect the football and kicks it towards a player of his own team".

Posted by Padmini Goswami 4 years, 3 months ago

CBSE > Class 09 > Science

2 answers

Yogita Ingle 4 years, 3 months ago

The velocity of the ball changes four times.
1 when the player kicks the ball at rest to another player (agent supplying force is the first player)
2. when the other player kicks the ball towards thebgoal (ageny supplying the force is second player)
3. third time when the goal keeper of the opposite team collects it (agent applying force is the goal keeper)
4. fourth time when the goal keeperbkocks the ball towards the player of his own team . ( agent supplying force is again the goal keeper.)

Padmini Goswami 4 years, 3 months ago

Also identified the agent supplying the force in each case.

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