# User:Vinita.sharat/IQ WORKSHEET(class vii)

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**IQ WORKSHEET(class vii)**

**IQ WORKSHEET(class vii)**

Q1 See the figure and find the length of the pendulum:

Q2See the image and find out the volume of cube:

Q3See the figure and find the change of momentum of the rolling ball(Given m= 20 kg, initial velocity= 20m/s, final velocity= 40m/s):

Q4See the figure and find out the work done in bringing the ball down from the height of 5m: