Laws of Motion DPP 2 Arjuna NEET (2025) PDF

NEET Arjuna NEET (2025) Physics DPP: 2 Laws of...

NEET Arjuna NEET (2025) Physics DPP: 2 Laws of Motion Q1 A man is at rest in the middle of a pond on perfectly smooth ice. He can get himself to the shore by making use of Newton's – (A) First law (A) √3 : 1 (B) 1 : 1 – (B) Second law (C) 1 : √3 (D) 1 : 2 (C) Third law Q6 In which of the following processes no force is (D) Law of gravitation needed Q2 If the force of gravity suddenly disappears (A) For uniform acceleration (A) The mass of all bodies will become zero (B) For uniform motion (B) The weight of all bodies will become zero (C) For linear motion (C) Both the mass and weight of all bodies will (D) To keep the momentum constant become zero Q7 Which of the following relations is wrong? (D) Neither mass nor weight of all bodies will (A) → become zero F ⃗ = m dr dt (B) F ⃗ = m d 2r 2 dt Q3 When a horse pulls a wagon, the force that → (C) causes the horse to move forward is the force F⃗ = dv m dt m(v−u) (A) He exerts on the wagon (D) F = t (B) The wagon exerts on him (C) The ground exerts on him Q8 A force of 10 N is applied to a mass of 10gm for (D) He exerts on the ground 10 seconds. The change of momentum in kgm/sec units will be Q4 A particle is acted upon by a force given (A) 10 (B) 100 by(F = 12t + 3t2 ) N , where t is in seconds. (C) 1000 (D) 0.01 Find the change in momentum of that particle from t = 1 to t = 3sec. Q9 A ball moving with a velocity 20 m/sec has a (A) 70 (B) 55 mass of 50gm. If collides against a wall normally (C) 74 (D) 51 and is rebounded normally with the same speed. If the time of impact of the ball and the wall is 40 Q5 For the given momentum time (P − t) graphs, mili seconds, the average force exerted on the find the ratio of force on particles A and B. wall in dynes is (A) zero (B) 1.25 × 107 Android App | iOS App | PW Website  NEET (C) 2.5 × 107 because 6 (D) 5 × 10 (A) the inertia of motion is present (B) the length of the circus horse is large Q10 In a circus a horse rider takes a vertically jump on (C) the motion is in circular path a moving horse, and falls back on the horse (D) in reality the rider does not jump Answer Key Q1 (C) Q6 (D) Q2 (B) Q7 (A) Q3 (C) Q8 (B) Q4 (C) Q9 (D) Q5 (C) Q10 (A) Android App | iOS App | PW Website