Potential Energy

Q.

Kris is holding a basketball and will bounce it once he starts playing. Does the ball have capacity to do work?

1. Yes

2. No

Q. If the potential energy of a spring when stretched through a distance ‘a ‘ is 25J , then what is the amount of wok done on the same spring so ad to stretch it by an additional distance ‘5a‘.

Q.

Does this spring have potential energy?

1. Yes

2. No

Q. Change from indirect to direct speech:
The professor said that Mercury is the first planet in the solar system.

1. The professor said "Mercury was the first planet in the solar system."
2. The professor says, "Mercury is the first planet in the solar system."
3. The professor said, "Mercury is the first planet in the solar system."
4. None of the above