Online Test physics 09

1.When the velocity of a body is halved

2.The inability f a body to change its state of rest or uniform motion along a straight line is called its

3. If the momentum of a body increases by 20% by how much percent does its kinetic energy increases?

4.When an bullet is fired from a gun

5.Choose the scalar quantity from the following physical  quantities

6.The impulse of a force acting on a body is equal to

7.In a see-saw a man of 60 kg. seated 1 meter away from the fulcrum at the middle is balanced by a boy weighing

8.If you wan to open a door with less difficulty, you push it

9.The unit of power in s.i is

10.A body has fallen from a height. Just before touching the ground it has

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