Mass And Inertia -Multiple Choice Questions Quiz

Question 1: What is the property of an object that determines its resistance to changes in motion?

(a) Weight
(b) Mass
(c) Volume
(d) Density

Question 2: What is the SI unit of mass?

(a) Newton (N)
(b) Kilogram (kg)
(c) Meter (m)
(d) Joule (J)

Question 3: Which of the following statements is true about mass and weight?

(a) Mass is a force, while weight is a measure of the amount of matter.
(b) Mass and weight are the same quantities and can be used interchangeably.
(c) Mass is a measure of the amount of matter, while weight is the force acting on an object due to gravity.
(d) Mass and weight have no relation to each other.

Question 4: What is the inertia of an object?

(a) The force required to move the object
(b) The speed of the object
(c) The resistance of the object to changes in its state of motion
(d) The acceleration of the object

Question 5: Which of Newton's laws of motion is related to the concept of inertia?

(a) Newton's First Law
(b) Newton's Second Law
(c) Newton's Third Law
(d) Newton's Law of Gravitation

Question 6: What happens to the inertia of an object if its mass is increased?

(a) The inertia increases
(b) The inertia decreases
(c) The inertia remains the same
(d) The inertia becomes zero

Question 7: What causes an object to resist changes in its motion and maintain its velocity?

(a) Friction
(b) Gravity
(c) Inertia
(d) Acceleration

Question 8: Which law of motion explains how a rocket moves in space without any external force?

(a) Newton's First Law
(b) Newton's Second Law
(c) Newton's Third Law
(d) Newton's Law of Gravitation

Question 9: Why do astronauts experience weightlessness in space?

(a) Because there is no gravity in space
(b) Because their mass decreases in space
(c) Because they are far from Earth
(d) Because they are in freefall around the Earth

Question 10: What is the net force acting on an object in equilibrium?

(a) Equal to its weight
(b) Zero
(c) Equal to its mass
(d) Equal to its acceleration

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Total score: /10

Answer key:

Question 1: b

Question 2: b

Question 3: c

Question 4: c

Question 5: a

Question 6: a

Question 7: c

Question 8: c

Question 9: d

Question 10: b