Welcome to the NDA 1 2024 Physics Lecture focusing on Motion and Laws of Motion Multiple Choice Questions (MCQs). In this session, we’ll dive into various MCQs related to the topic of motion and the laws that govern it. By solving these MCQs, we’ll reinforce our understanding of fundamental concepts and sharpen our problem-solving skills.
Understanding Motion
Motion is a fundamental concept in physics that describes the change in position of an object over time. It can be characterized by parameters such as speed, velocity, and acceleration. Understanding motion allows us to analyze the behavior of objects in various scenarios, from simple linear motion to complex interactions in three-dimensional space.
Motion and Laws of Motion MCQs
Q) Two forces of 5.0 N each are acting on a point mass. If the angle between the forces is 60°, Then the net force acting on the point mass has a magnitude close to :
A.8.6 N
B. 4.3 N
C. 5.0 N
D. 6.7 N
Ans : A
Q) The area under speed-time graph gives
A. Acceleration
B. Velocity
C. Distance
D. None of the Above
Ans : C
Q) Car A of mass 1500 kg travelling at 25 m/s collides with another car B of mass 1000 kg travelling at 15 m/s in the same direction. After collision the velocity of car A becomes 20 m/s. What is the velocity of car B after collision ?
A. 25 m/s
B. 22.5 m/s
C. 36.7 m/s
D. 16.7 m/s
Ans : B
Q) In the absence of external force, the velocity
A. Remains constant
B. Vanishes
C. Changes continuously
D. None of the Above
Ans : A
Q) A stone is thrown horizontally from the top of a 20 m high building with a speed of 12 m/s. it hits the ground at a distance R from the building. Taking g = 10 m/s2 And neglecting air resistance will give
A. R = 12 m
B. R = 18 m
C. R = 24 m
D. R = 30 m
Ans : C
For an explanation of the above questions and other related MCQs, please refer to the YouTube video above.
