Physics Linear Motion Equations

V u gt from v u at h ut gt 2 from s ut gt 2 v 2 u 2 2gh from v 2 u 2 2as but at maximum height h max v 0. In physics equations of motion are equations that describe the behavior of a physical system in terms of its motion as a function of time.

Physics Formulas Physics Motion Equations

When an object at position x moves with velocity v and acceleration a resulting in displacement s each of these components is related by the following equations.

Physics linear motion equations. The international system of units unit prefixes problems and solutions 2. V velocity or speed m s ft s s linear distance traveled m ft t time s. This page demonstrates the process with 20 sample problems and accompanying.

Vertical and horizontal vertical velocity changes because of gravity whereas horizontal velocity remains constant any angle will travel exactly the same distance as its complimentary angle v i. Vertical the speed that the object loses on the way up it gains on the way down projectile motion. The change in position s is called the displacement or distance depending on circumstances and some people prefer writing the second equation of motion like this.

Projectile motion 2 dimensional linear motion. If values of three variables are known then the others can be calculated using the equations. Graph of linear motion shown in the figure below.

Particular kinds of force result in periodic motion where the object repeats its motion with a period t having an angular frequency ω and amplitude a. Each equation contains four variables. A b motion at constant acceleration b c motion at constant velocity c d motion at constant deceleration.

The variables include acceleration a time t displacement d final velocity vf and initial velocity vi. Thus the three equations reduce to. The first two equations of motion each describe one kinematic variable as a function of time.

Hence the three equations of linear motion become. Equations of linear motion. From equation i the time taken to attain the maximum height is given by.

Displacement initial velocity acceleration time final velocity. V s t 1a where. Gt u h ut gt 2.

Enter values for 3 out of 5 fields. Average velocity speed of a moving object can be calculated as. More specifically the equations of motion describe the behaviour of a physical system as a set of mathematical functions in terms of dynamic variables.

Derivation of the equations of motion v u at let us begin with the first equation v u at. This equation only talks about the acceleration time the initial and the final velocity. S v 0 t at 2 2 velocity position.

Kinematic equations relate the variables of motion to one another.

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