Question

Elastic potential energy is the energy stored as a result of
deformation of an elastic object, such as stretching of a spring. It is
equal to the work done to stretch the spring, which depends upon
the spring constant k as well as the distance stretched.
A spring is cut into two equal halves. How is spring constant
of each half affected?
(a) Becomes 1/4th
(b) Becomes half
(c) Becomes double
(d) None of these
(ii) What type of energy is stored in the spring of a watch?
(a) Potential energy
(b) Kinetic energy
(c) Chemical energy
(d) None of these
When spring is compressed its potential energy is:
(a) Increase
(b) Decrease
(c) First increase and then decrease
(d) None of these
(iv)
If a spring in stretched to make its force constant K doubled,
then the ratio of final to initial force is:
(a) 1:2
(b) 2:1
(c) 1:4
(d) 4:1
A stout spring has
value of force constant while for a
delicate spring, the value of spring constant is
(a) Large, High
(b) Large, Low
(c) Low, Large
(d) Low, Low​

Answer 1

Answer:

1 - a 2 - b 3 - c 4 - a 5 - b

Explanation:

all d best