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FORMULA CHAPTER

Chapter 02 — Motion in a Straight Line

ISCClass 11Physics17 formulas
Complete ISC Class 11 Physics Motion in a Straight Line formula list for exam preparation. Revise displacement, speed, velocity, acceleration, motion graphs, uniformly accelerated motion, vertical motion under gravity and relative velocity with clear notation, SI units and stepwise worked examples based on the Nootan ISC Physics textbook.
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1

Displacement (Δx) = \large\displaystyle \mathrm{x_2}-\mathrm{x_1}

2

Average speed = \large\displaystyle \frac{\text{total distance}}{\text{total time}}

3

Instantaneous speed (v) = \large\displaystyle \lim_{\Delta \mathrm{t}\to 0}\frac{\Delta \mathrm{s}}{\Delta \mathrm{t}}=\frac{\mathrm{d}\mathrm{s}}{\mathrm{d}\mathrm{t}}

4

Average velocity (vₐᵥg) = \large\displaystyle \frac{\Delta \mathrm{x}}{\Delta \mathrm{t}}

5

Instantaneous velocity (v) = \large\displaystyle \lim_{\Delta \mathrm{t}\to 0}\frac{\Delta \mathrm{x}}{\Delta \mathrm{t}}=\frac{\mathrm{d}\mathrm{x}}{\mathrm{d}\mathrm{t}}

6

Average acceleration (aₐᵥg) = \large\displaystyle \frac{\mathrm{v_2}-\mathrm{v_1}}{\mathrm{t_2}-\mathrm{t_1}}=\frac{\Delta \mathrm{v}}{\Delta \mathrm{t}}

7

Instantaneous acceleration (a) = \large\displaystyle \frac{\mathrm{d}\mathrm{v}}{\mathrm{d}\mathrm{t}}

8

Displacement (s) = \large\displaystyle \frac{\mathrm{u}+\mathrm{v}}{2}\mathrm{t}

9

Final velocity (v) = \large\displaystyle \mathrm{u}+\mathrm{a}\mathrm{t}

10

\mathrm{s}=\mathrm{u}\mathrm{t}+\frac{1}{2}\mathrm{a}\mathrm{t}^{2}

11

\mathrm{v}^{2}=\mathrm{u}^{2}+2\mathrm{a}\mathrm{s}

12

\mathrm{v}=\mathrm{u}+\mathrm{g}\mathrm{t}

13

\mathrm{h}=\mathrm{u}\mathrm{t}+\frac{1}{2}\mathrm{g}\mathrm{t}^2

14

\mathrm{v}^{2}=\mathrm{u}^{2}+2\mathrm{g}\mathrm{h}

15

\mathrm{v}=\mathrm{u}-\mathrm{g}\mathrm{t}

16

\mathrm{h}=\mathrm{u}\mathrm{t}-\frac{1}{2}\mathrm{g}\mathrm{t}^2

17

\mathrm{v}^2=\mathrm{u}^2-2\mathrm{g}\mathrm{h}