Common Scientific Laws (Boyle’s Law, Newton’s Laws, etc.) MCQs

1. Boyle’s Law relates pressure and volume at constant:
(A) Temperature
(B) Mass
(C) Force
(D) Energy

2. According to Newton’s First Law of Motion, an object will remain at rest or in uniform motion unless acted upon by:
(A) Balanced force
(B) Gravity
(C) An external force
(D) Acceleration

3. Newton’s Second Law of Motion can be mathematically expressed as:
(A) F = m/v
(B) F = ma
(C) F = m + a
(D) F = mv²

4. Which law explains the action and reaction forces?
(A) Newton’s First Law
(B) Newton’s Second Law
(C) Newton’s Third Law
(D) Law of Gravitation

5. What does Charles’s Law state?
(A) Volume is inversely proportional to pressure
(B) Pressure is directly proportional to temperature
(C) Volume is directly proportional to temperature at constant pressure
(D) Temperature is inversely proportional to volume

6. Which law is involved when a balloon expands as it is heated?
(A) Boyle’s Law
(B) Newton’s Second Law
(C) Charles’s Law
(D) Law of Conservation of Energy

7. Newton’s Law of Universal Gravitation states that gravitational force is:
(A) Directly proportional to mass and inversely proportional to the square of the distance
(B) Inversely proportional to mass
(C) Constant regardless of mass
(D) Dependent only on volume

8. Which law is applied when a rocket moves upward by expelling gases downward?
(A) Newton’s First Law
(B) Newton’s Second Law
(C) Newton’s Third Law
(D) Law of Inertia

9. According to Boyle’s Law, if the volume of a gas increases, its pressure will:
(A) Increase
(B) Remain constant
(C) Decrease
(D) Become zero

10. What does Newton’s First Law also refer to as?
(A) Law of Gravity
(B) Law of Inertia
(C) Law of Conservation of Mass
(D) Law of Energy