Class 10 Science I – CET/Board Practice MCQ (Gravitation)

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CET MCQ Quiz Science I – Gravitaion

SSC MAHARASHTRA BOARD CLASS X

Science I – Gravitation MCQs

1 / 10

For an object at infinite distance from the earth, the value of acceleration due to gravity (g) is

maximum

zero

9.73 m/s2

9.8 m/s2

2 / 10

For bodies which are not spherical or having an irregular shape, the direction of the force is along the line joining their_______

(B) centres

both (A) and (B)

(A) centre of masses

3 / 10

Which of the following statement is incorrect in case of centre of mass?

The centre of mass of any object having uniform density is at its centroid

The centre of mass of any object is always inside that object.

All the mass of the object is assumed to be concentrated at the centre of mass

The centre of mass of a spherical object having uniform density at its geometrical centre.

4 / 10

Value of acceleration due to gravity (g) _________ as we go deep inside the earth.

decreases

decreases initially and later increases

increases initially and later decreases

increases

5 / 10

Acceleration of an object thrown upwards is always taken ________ as it moves against the force of gravity.

infinite

positive

negative

zero

6 / 10

By observing falling apple, Newton came to conclusion that the apple falls vertically downward due to a ______ force.

centre seeking

pseudo

centre repulsive

centrifugal

7 / 10

If mass of one of two objects is doubled then the gravitational force acting between the two is also _______

halved

eight times

four times

doubled

8 / 10

A ball of mass 2 kg is released from a height of 180 m and falls freely to the ground. Assuming that the value of g is 10 m/s2, the time taken by the ball to reach the ground is _______

6 s

5 s

4 s

2 s

9 / 10

What would happen to the moon if the earth stops exerting force of attraction on it?

the moon will travel in a straight line which is tangent to its orbit

the moon will keep orbiting the earth

the moon will collide on the earth

the moon will go away from the earth

10 / 10

The value of acceleration due to gravity is maximum at _________

the pole of the earth

anywhere on the surface of the earth

the centre of the earth

the equator of the earth

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Note:→ The following Quiz helps students to learn and practice Objectives.→ Each Quiz is of 10 questions→ Quiz has timer→ Questions will appear randomly→ To practice all objectives students are supposed to take Quiz again and again.

The above quiz consists of these topics: ⇒ Class 10 Science Part – 1 Chapter – 1 Gravitation

Note:
→ The following Quiz helps students to learn and practice Objectives.
→ Each Quiz is of 10 questions
→ Quiz has timer
→ Questions will appear randomly
→ To practice all objectives students are supposed to take Quiz again and again.

The above quiz consists of these topics:
⇒ Class 10 Science Part – 1 Chapter – 1 Gravitation