![]() Physics Wallah's main focus is to make the learning experience as economical as possible for all students. We believe in empowering every single student who couldn’t dream of a good career in engineering and medical field earlier. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We successfully provide students with intensive courses by India's top faculties and personal mentors. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app. We also provide extensive NCERT solutions, sample papers, NEET, JEE Mains, BITSAT previous year papers, which makes us a one-stop solution for all resources. Physics Wallah is India's top online ed-tech platform that provides affordable and comprehensive learning experience to students of classes 6 to 12 and those preparing for JEE and NEET exams. Where S n is the distance travelled in nth second of its journeyĮquations of motion of a freely falling body (take u = 0 and a = g) The negative acceleration is known as retardation. The direction of acceleration lie along the direction of change in velocity. The rate of change of velocity of a body is called acceleration. If ‘A’ and ‘B’ are moving with speed V A +V B at an angle with one another. The velocity of ‘A’ with respect to that of ‘B’ is given by Velocity of one body with respect to that of another body is called relative velocity. The velocity of a body at any particular instant in its journey is known as instantaneous velocity. If a body cover first half of the total displacement with a velocity v1 and second half with velocity v2. Resultant displacement = Average velocity x time = Distance travelled = Average speed x time s ![]() The rate of displacement is known as velocity.īoth speed and velocities have same units and dimensions. The rate of distance travelled by a body is known as speed. Calculate the distance and displacement made when the car reaches to opposite end of the track. A car is moving on a circular track of radius 60m. Calculate its displacement.ĭistance, S = 2πr x n = 2 x 22/7 x 90 x 3.5 = 1978.2 An object moves 3.5 times around a circular path of radius 90 m. This change in the position of an object is known as Displacement. It is represented as an arrow that points from the first position to the endpoint.Įxample- If an object moves from A to B, then the position of the object changes. It is a vector quantity and has both direction and magnitude. ![]() We can define a distance to the extent to which an object is covered by the ground in spite of its starting or ending point.ĭisplacement is known as a change in the position of an object. Thus, kinematic analysis was performed in the center of massĭistance is the the movement of everything without looking at the direction. Therefore, the center of mass is also that the total momentum (mass × velocity) is equal to zero. ![]() The center of mass is that the total moment of the mass (X distance of the mass from the center-of-mass) is zero. Moreover, with only two bodies, one can easily define the mass center where the incident and the emerging particles rotate. Thus, the interaction of the two bodies has two sides. Therefore, the two bodies from the interaction should be in the same plane. Therefore, there will be no component of pressure in the interactive plane. In many of the interactions discussed, there is a two-way interaction, in the sense that it involves two interacting entities: the projectile in the target.Īnother necessary consequence of the interaction of two bodies is a single plane consisting of two interacting particles. In other words, kinematics examines how energy and momentum are distributed between interconnected bodies. Kinematics is the study of the motion of the body system without directly considering the potential forces or fields that affect movement. List of physics formulas class 11 chapter Kinematics for CBSE ,IIT JEE & NEET ![]()
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