Page 30 - Science Class 6 Times Publication

d. When an object moves in a circular path, its motion is
rotatory motion.

e. A moving bicycle moves faster when it is pulled from
backside.

3. Identify the types of motion of following objects:
Motion of Rote Ping, motion of a bird, motion of a pendulum,
motion of plucked string of guitar, motion of wheel of bicycle,
motion of the earth around the sun

4. De ne:
a) Motion b) Rest c) Force

5. Give short answers:
a. What is motion? Give some examples of objects that are in
motion state.
b. What are various types of motion?

c. What is linear motion? Give some examples.

d. What is rotatory motion? Give some examples.

e. What is force? Dene 1 Newton force.
f. What are effects of force?

6. Comprehensive questions:
a. Rest and motion are relative terms. Explain.

b. Motion of a butter y ying in a garden is random motion.

Explain.
c. Explain the effects of force.

7. Solve the following numerical problems:
a. Ram covers a distance of 200m in 50 seconds. What is his
speed?

b. A vehicle travels a distance of 20 km in an hour. Find its
speed.

Times' Crucial Science and Environment 26 Book 6