Available Answers

1. 1.

   Choose the most appropriate answer.

   1. If two bodes travel with the same speed but in different directions, they will have
      1. different velocities.
      2. same velocities.
      3. same displacement.
      4. none of these
   2. The rate of change of displacement is known as
      1. velocity.
      2. speed.
      3. density.
      4. area.
   3. When an apple falls from a tree, then the apple performs
      1. rectilinear motion.
      2. curvilinear motion.
      3. rotatory motion.
      4. periodic motion.
   4. The motion of a pendulum is
      1. oscillatory.
      2. curvilinear.
      3. rectilinear.
      4. multiple.
2. 2.

   Fill in the blanks.

   1. A body is at rest if its ________________ does not change with respect to a fixed point in its surroundings.
   2. Rest and _____________ are relative terms.
   3. When a body moves along a straight line, its motion is called _______________ motion.
   4. When a spin bowler delivers a ball, the ball moves in a ________________ motion.
   5. When you run and complete one round of a circular track, your displacement is _____________.
3. 3.

   Match the following.

   Column A	Column B
   1. train moving on a straight track	a. multiple motion
   2. potter's wheel	b. rectilinear motion
   3. javelin thrown by an athlete	c. vibratory motion
   4. string of a guitar	d. rotatory motion
   5. a drill machine	e. random motion
   6. balloon in air	f. curvilinear motion

    

4. 4.

   Define Distance.

5. 5.

   Define Displacement.

6. 6.

   Define Scalar quantity.