Potential Energy

Q. What is Kinetic and Potential Energy ? give example ?

Q. Water stored in a dam possesses ____ energy.

1. electrical
2. kinetic
3. solar
4. potential

Q. A stone is held in the rubber of a catapult, the catapult is pulled and released in a horizontal direction. In this case energy transformation takes place from __________ energy to ___________ energy.

1. potential, heat
2. kinetic, potential
3. potential, kinetic
4. kinetic, heat

Q. Explain what is gibbs free energy and its physical significance why it came to world

Q.

What type of energy is possessed by wound spring of a watch?

Q. The type of energy possessed by a simple pendulum when it is at the mean position is:

1. Zero
2. Potential energy
3. Potential and Kinetic
4. Kinetic energy

Q.

A force of 100 N is applied on an area of $5m^2$. Compute the pressure being applied to the area.

1. 1 Pa

2. 25 Pa

3. 100 Pa

4. 0 Pa

Q.

A wound watch spring has ____ energy.

1. mechanical

2. kinetic

3. potential

4. kinetic and potential

Q. Potential energy of your body is minimum when

1. You are standing.
2. You are sitting on a chair.
3. You are sitting on the ground.
4. You lying down on the ground.

Q.

What do you understand by potential energy? Explain with two examples.

Q. Which among the following options have mechanical energy in the form of potential energy only?

1. Bird flying in sky.
2. Train moving on an inclined plane.
3. Book kept on the top of a shelf.
4. Bird sitting on a tree.

Q.

Match the columns:

Column 1	Column 2
An object placed in an almirah	Power
A stretched rubber band	Kinetic energy
A moving vehicle	Joule
Work done per unit time	Gravitational potential energy
Capacity of doing work	Elastic potential energy
SI unit of work	Energy

Q. Which of the following statement(s) is/are true?

1. The energy stored in an object due to the position of that object is called kinetic energy.
2. The energy possessed by an object by virtue of its motion is called potential energy.
3. The energy stored in an object due to its position is called potential energy.
4. The energy possessed by an object by virtue of its motion is called kinetic energy.

Q.

What is the difference between ‘Gravitational potential energy’ and ‘Elastic potential energy’?

Q.

Give any two examples of situations where objects have potential energy.

Q.

A work of $4900J$ is done on a load of mass $50kg$ to lift it to a certain height. Calculate the height through which the load is lifted.

Q.

What kind of energy is possessed when water stored in the reservoir of a hydroelectric dam.

Q. When a body falls freely towards the earth, then its total energy

1. Increases
2. Decreases
3. Remains constant
4. First increases and then decreases

Q. When you draw water from a well, you increase which energy of water?

1. Kinetic
2. Chemical
3. Potential
4. Heat

Q.

Is potential energy scalar or a vector quantity?

Q.

What kind of energy does gravity convert to?

Q.

What is the potential energy stored in a spring when it is neither compressed nor elongated?

1. Positive

2. Negative

3. Zero

4. Non-zero

Q.

What type of potential energy does a body possess by virtue of its position?

Q. What is the energy transformation that is taking place when we compress a spring?

Q.

Two paths lead to the top of a hill. The first one is shorter and steeper whereas the second one is longer and gradual. The gain of potential energy is more for which of the paths?

1. Path I

2. Path II

3. Same for both the paths

4. Data insufficient

Q.

State whether the following statements are true or false. If false, rewrite the correct form of statements.

An arrow on a stretched bow possesses elastic potential energy.

1. True
2. False

Q.

Think of the term that fits into or defines the given statement and fill in the given boxes with the correct spellings of that term.

The energy possessed by a body by virtue of its ___________ is called elastic __________ energy.

Q.

Which of the following energy forms is utilized by the toy shown in the figure below?

1. Chemical energy

2. Sound energy

3. Heat energy

4. Potential energy

Q.

What is the formula of Potential Energy?

Q. An unpolished iron block is coming down an rough inclined plane. Which of the following option(s) is correct for this situation?

1. Potential energy is converted into kinetic energy.
2. Kinetic energy is converted into potential energy.
3. Potential energy is converted into sound energy.
4. Potential energy is converted into heat energy.