Q3 of 30 Page 61

During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is

During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is electrostatic force. The force exerted by a charged body on another charged or uncharged body is known as electrostatic force.

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1


In Fig 11.1, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct?

 2


In the circuit shown in Fig.11.2, when the circuit is completed, the hammer strikes the gong. Which of the following force is responsible for the movement of hammer?

 4

Fig.11.3 shows a container filled with water. Which of the following statements is correct about pressure of water?

 5

Two objects repel each other. This repulsion could be due to