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Force and Pressure Test - 23

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Force and Pressure Test - 23
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Weekly Quiz Competition
  • Question 1
    1 / -0
    What type of force is exerted on our body during respiration?
    Solution
    Lungs expand and contract while we inhale and exhale during breathing. Here, the force is exerted by the muscles in our body and hence it is an example of muscular force.
  • Question 2
    1 / -0
    Gravitational force is a _____ force. 
    Solution
    Gravitational force is a non-contact force. For action of gravitational force, contact with an object is not required. The force of gravity acts on all object at all the time even while not in contact with the earth.
  • Question 3
    1 / -0
    The force exerted by a charged body on another charged or uncharged body is known as ______ force.
    Solution
    Electrostatic force is a exerted by a charged body on another changed or uncharged body.
  • Question 4
    1 / -0
    Gravitational force is a/an ______ force.
    Solution
    Gravitational force is an attractive force as it tends to move all objects towards itself. It cannot be repulsive in nature.
  • Question 5
    1 / -0
    When an object is rubbed with some materials, it acquires charges and becomes ________ object.
    Solution
    When an object is rubbed with some material it either loses electrons to other body or gains electrons from other body and hence a net charge is accumulated on the object . Thus the  object acquires charge and is called as charged object and develops electrostatic force.
  • Question 6
    1 / -0
    Electrostatic force is also a ________ force.
    Solution
    The force exerted by a charged body on another charged or uncharged body is known as electrostatic force. This force comes into play even when the bodies are not in contact. The electrostatic force is an example of a non-contact force.
  • Question 7
    1 / -0
    Objects fall towards the earth because the earth pulls those. This pull is called _________ force.
    Solution
    Objects tend to fall downward towards the earth as the earth pulls the objects due to its gravity. The pull is known as gravitational force.
  • Question 8
    1 / -0
    Does moon have its own gravity?
    Solution
    Gravity is not a property of the earth alone. Every object in the universe exerts a force on every other object. This is called gravitational force. Naturally, the moon also has its own gravity.
  • Question 9
    1 / -0
    Gravity is shown by
    Solution
    Gravity is not a property of the earth alone. Every object in the universe exerts a force on every other object. This force is known as the gravitational force.
  • Question 10
    1 / -0
    During winter, clothes tend to stick to our body as an action of ______ force.
    Solution
    Static charges in our clothes and body occur because of built of excess charge. When pieces of fabric rub against each other and with the body, it causes a built of charges, resulting in an electrostatic attraction, and hence, during winters, clothes tend to stick to our bodies. 
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