Question

with me
d) cannot say
The rotation of the Earth on its own axis is the
a curvilinear motion
rectilinear motion
b) rotational motion
d) none of these
The device used to measure the speed of the vehicle is
a) odometer
speedy toy
b) speedometer
d) none of these
answer
are ce
1
type questions
Name two units commonly used to measure your height. Which of the two units is more appropria
your height? Why
if they are in motion, identify the type of motion in each case -
a) fan
b) pendulum of a clock
d) metro train
c) airplane
e) string of a guitar
3. What is a physical quantity Name all the basic physical quantities.
4. What is the relevance of estimation'? Explain with an example,​

Answer 1

Answer:

1. - (b)

2. - (b)

3. - The two units commonly used to measure our height are - inches (in) & centimetres (cms).

Inches (in) are more appropriate than centimetres for measuring our height as it is easy to recall and easy to calculate too.

4.

a. Circular motion

b. Periodic motion

d. Curvilinear motion

c. Random motion

e. Oscillatory motion

For the rest you can prefer 'Google'.