Question

A simple pendulum consists of mass ‘m’ hanging from a string of length ‘l’



(Attempt any 4 questions)

(i) The energy possessed by an oscillating pendulum of a clock is:

a) kinetic energy b) potential energy

c) restoring energy d) mechanical energy

(ii) In order to double the time period of a simple pendulum, the length of string

should be:

a) Halved b) doubled

c) quadrupled d) tripled

(iii) What is the velocity of the bob of simple pendulum at its extreme position?

a) zero b) 1.4m/s

c) 2.2m/s d) 9.8m/s

(iv) At which point in the above diagram, potential energy is maximum?

a) A and O b) only O

c) A and B d) B and O

(v) What will be the time period of simple pendulum when taken on moon if its

time period on Earth is 2s?

a) 2/√6s b) 6√2s

c) 2√6s d) 2s
pls answer all​

Answer 1

Answer:

1st Kinetic energy

2nd don't know

all don't know except 1

Answer 2

Explanation:

nikal nikal tere baap ko matt sikha