Let's put in energy to do work!!

What is the state of an object when it's not changing its position?

• Rest

• Motion

• Speed

• Acceleration

Which of the following is an example of work?

• Holding a book

• Pushing against a wall

• Sitting on a chair

• Walking in a park

In the concept of work, what is the essential requirement?

• Time

• Force

• Sound

• Color

Assertion: Work is done only when there is a displacement of the object.

Reason: Holding a heavy bag is an example of work.

• Both assertion & reason are true.

• Only assertion is true.

• Only reason is true.

• Both assertion and reason are false.

What type of energy does a moving car possess?

• Kinetic

• Potential

• Thermal

• Electrical

What is the concept of energy in physics?

• A force applied

• The ability to do work

• The speed of an object

• The color of an object

Which of the following is an example of potential energy?

• Running

• A stretched rubber band

• A rolling ball

• A spinning top

What type of energy is stored in food?

• Kinetic

• Potential

• Chemical

• Solar

What is the primary source of energy for most activities on Earth?

• Mechanical energy

• Chemical energy

• Solar energy

• Wind energy

What is the concept of potential energy based on?

• Height of an object

• Color of an object

• Speed of an object

• Shape of an object