- Newton’s Second Law of Motion is mathematically expressed as:
A) F = mv
B) F = ma
C) F = m/a
D) F = a/m
- In F = ma, “F” represents:
A) Friction
B) Force
C) Flow
D) Field
- SI unit of force is:
A) Joule
B) Watt
C) Newton
D) Pascal
- SI unit of mass is:
A) Newton
B) Kilogram
C) Gram
D) Meter
- SI unit of acceleration is:
A) m/s
B) m/s²
C) kg/m²
D) N/kg
- If net force increases and mass remains constant, acceleration:
A) Decreases
B) Remains constant
C) Increases
D) Becomes zero
- If mass increases and force remains constant, acceleration:
A) Increases
B) Decreases
C) Remains same
D) Becomes infinite
- Newton’s Second Law is also written as:
A) F = m/v
B) F = dp/dt
C) F = mv²
D) F = ma²
- The quantity that resists acceleration is:
A) Force
B) Velocity
C) Mass
D) Energy
- Acceleration always occurs in the direction of:
A) Velocity
B) Displacement
C) Net force
D) Momentum
- If net force is zero, acceleration is:
A) Infinite
B) Zero
C) Constant
D) Negative
- Newton’s Second Law applies to:
A) Only stationary objects
B) Only moving objects
C) All objects with net force
D) Only planets
- A 2 kg object accelerates at 3 m/s². Force is:
A) 5 N
B) 6 N
C) 8 N
D) 10 N
- A 10 N force acts on 2 kg mass. Acceleration is:
A) 2 m/s²
B) 5 m/s²
C) 10 m/s²
D) 20 m/s²
- Newton’s Second Law is most accurate in:
A) Quantum scale only
B) Relativistic speeds only
C) Classical mechanics
D) Nuclear physics only
- Force is a:
A) Scalar quantity
B) Vector quantity
C) Dimensionless quantity
D) Energy form
- Mass is a:
A) Vector
B) Scalar
C) Force
D) Acceleration
- Which law explains rocket propulsion?
A) Newton’s First Law
B) Newton’s Second Law
C) Newton’s Third Law only
D) Law of gravitation only
- If velocity is constant, net force is:
A) Maximum
B) Minimum
C) Zero
D) Infinite
- The product ma represents:
A) Energy
B) Momentum
C) Force
D) Work
- Which increases acceleration most effectively?
A) Increasing mass
B) Increasing force
C) Decreasing velocity
D) Increasing friction
- Newton’s Second Law is valid when:
A) Mass is changing always
B) Force is zero
C) Mass is constant (basic form)
D) Gravity is absent
- The law F = ma was published in:
A) 1543
B) 1687
C) 1800
D) 1905
- If both force and mass double, acceleration:
A) Doubles
B) Halves
C) Remains same
D) Becomes zero
- Newton’s Second Law is mainly used to study:
A) Heat transfer
B) Motion of objects
C) Chemical reactions
D) Light reflection
