[ 2 Marks Questions ]

Question 12 Marks

Rotation of the earth is a periodic motion. Justify.

Answer

Rotation of the earth is a periodic motion because it takes an equal interval of time for all rotations.

Question 22 Marks

If you are sitting in a moving car, will you be at rest or motion with respect your friend sitting next to you?

Answer

I am in rest with respect to my friend, sitting inside the car.

Question 32 Marks

Define force.

Answer

Forces are push or pull by an animate or inanimate agency.

Question 42 Marks

Question 52 Marks

Define non-periodic motion.

Answer

When a motion is not in uniform interval, then such motion is called non-periodic motion.

Question 62 Marks

What is the average speed of the object?

Answer

The distance travelled by an object in unit time is called the average speed of the object.

Question 72 Marks

List out the types of forces on the basis of contact.

Answer

There are two types:

Question 82 Marks

What are the types of Force?

Answer

Question 92 Marks

Define motion.

Answer

When there is a change of position of an object with respect to time, then it is called motion.

Science [ 2 Marks Questions ]