Wednesday, August 3, 2011

Selected Physics questions for SA1 for Class 9

  1. Velocity time graph of a body is shown in the diagram below.

    What conclusion can be drawn about the velocity of the body from the graph?

  2. The value of G on earth's surface is 6.67 x 10 -11 Nm2/kg2. What is its value on the surface of moon?

  3. A person weighs 600N on the surface of earth. Find his weight and mass on the surface of earth. Take g = 10 m/s2

  4. Derive the relation between force and acceleration. Define the unit of force.

State the nature of motion represented by the above graph.

What does the slope of the graph represent?
What does the area under the graph represent?
Calculate the distance traveled by the object in 15 s.

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