Newton's Laws — JEE Main Physics MCQs with Solutions
Free JEE Main Physics Newton's Laws MCQs with step-by-step solutions (16 questions). Part of Laws of Motion. Practise online on Prepizo — no login needed.
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Questions with solutions
Q1 — Newton's Laws · medium · numerical
A body of mass 2 kg is acted upon by a net force of 10 N. Its acceleration is:
A. 2 m/s²
B. 5 m/s² ✓ Correct
C. 10 m/s²
D. 20 m/s²
Solution: By Newton’s second law, a = F/m = 10/2 = 5 m/s².
Q2 — Newton's Laws · medium · theory
Which of Newton’s laws explains why a passenger lurches forward when a bus stops suddenly?
A. First law (inertia) ✓ Correct
B. Second law
C. Third law
D. Law of gravitation
Solution: The passenger’s body continues moving forward due to inertia — Newton’s first law — while the bus decelerates.
Q3 — Newton's Laws · easy · theory
The hybridization of the central carbon in CH3C≡N and the bond angle CCN are
A. sp2 , 180°
B. Sp, 180° ✓ Correct
C. sp2 , 120°.
D. sp3 , 109°.
Solution: Sp, 180°
Q4 — Newton's Laws · easy · numerical
How many vovels are there?
Solution: a e i o u, they are 5
Q5 — Newton's Laws · easy · theory
Ashwin is a/an _________ reader and he can read upto _________ chapter(s) a day
Q6 — Newton's Laws · easy · theory
Is Taj Mahal Awesome?
Solution: because it is
Q7 — Newton's Laws · easy · theory
Is Taj Mahal Awesome?
Solution: because it’s not
Q8 — Newton's Laws · easy · theory
Type in Hindi | Easy Hindi Typing (हिन्दी में टाइप करें)
इंग्लिश में टाइप करे स्पेस दबाये यह हिन्दी में परिवर्तित हो जाएगा
Many educationalists consider it a weak and woolly field, too far removed from the practical applications of the real world to be useful. But philosophers dating back to Plato and the Ancient Greeks have given the area much thought and emphasis, and there is little doubt that their work has helped shape the practice of education over the millennia.
Q9 — Newton's Laws · easy · theory
The hybridization of the central carbon in CH3C≡N and the bond angle CCN are
A. sp2 , 180°
B. Sp, 180° ✓ Correct
C. sp2 , 120°.
D. sp3 , 109°.
Solution: any explanation for the same
Q10 — Newton's Laws · easy · theory
Ashwin is a/an _________ reader and he can read upto _________ chapter(s) a day
Q11 — Newton's Laws · medium · numerical
A net force of 12 N acts on a 3 kg body. Its acceleration is:
A. 4 m/s² ✓ Correct
B. 9 m/s²
C. 0.25 m/s²
D. 36 m/s²
Solution: a = F/m = 12/3 = 4 m/s².
Q12 — Newton's Laws · medium · numerical
A 2 kg body changes velocity from 5 m/s to 15 m/s in 4 s. The force acting is:
A. 2.5 N
B. 5 N ✓ Correct
C. 20 N
D. 10 N
Solution: F = m(v−u)/t = 2(10)/4 = 5 N.
Q13 — Newton's Laws · hard · numerical
A 0.5 kg ball strikes a wall at 10 m/s and rebounds at 10 m/s in 0.1 s. The average force is:
A. 10 N
B. 50 N
C. 200 N
D. 100 N ✓ Correct
Solution: F = Δp/t = 0.5(10+10)/0.1 = 10/0.1 = 100 N.
Q14 — Newton's Laws · medium · numerical
A body of mass 4 kg experiences forces 6 N east and 8 N north. Its acceleration is:
A. 2.5 m/s² ✓ Correct
B. 3.5 m/s²
C. 14 m/s²
D. 5 m/s²
Solution: Net force = √(6²+8²) = 10 N; a = 10/4 = 2.5 m/s².
Q15 — Newton's Laws · medium · numerical
A 1000 kg car accelerates from 0 to 20 m/s in 10 s. The driving force is:
A. 200 N
B. 20000 N
C. 2000 N ✓ Correct
D. 1000 N
Solution: a = 2 m/s²; F = ma = 1000 × 2 = 2000 N.
Q16 — Newton's Laws · medium · numerical
A constant force gives a 2 kg mass an acceleration of 5 m/s². The same force on a 5 kg mass gives:
A. 2 m/s² ✓ Correct
B. 10 m/s²
C. 12.5 m/s²
D. 5 m/s²
Solution: F = 2×5 = 10 N; a = 10/5 = 2 m/s².