﻿ Physics 1

# Physics 1

### 1-D motion

Motion in one dimension, distance, displacement, speed, velocity, acceleration, constant acceleration, and free fall motion.

Scalars, vectors, vector addition: graphical and components method, resultant vector and addition of multiple vectors.

### 2-D motion

Motion in two dimensions, projectile motion, and relative velocity.

### Forces and Newton's laws

Newton's first law, mass, weight, Newton's second law, Newton's third law, tension, friction and inclines.

### Circular motion and gravitation

Uniform circular motion, centripetal force, centripetal acceleration, banked and unbanked roads.

### Work, energy and power

Work definition, kinetic energy, potential energy, conservation of mechanical energy, elastic potential energy, conservation of (total) energy and power.

### Linear momentum

Momentum definition, isolated system, conservation of momentum, impulse, elastic and inelastic collision, 1-D and 2-D collisions, ballistic pendulum, and center of mass

### Rotational motion

Translation vs rotation, angular displacement, radian, angular velocity, angular acceleration, non-uniform circular motion, tangential acceleration, angular frequency, rotational kinematics equation, torque, moment of inertia, and rolling objects.

### Static equilibrium and elasticity

Static equilibrium, two conditions for static equilibrium, property of elasticity, stress, strain, modulus of elasticity: Young's modulus, shear modulus and Bulk modulus; and strength of materials.

### Fluids

Phases of matter, density, specific gravity, pressure, incompressible fluids, pressure in fluids, atmospheric pressure, gauge and absolute pressure, Pascal's principle, pressure measurement, buoyant force, Archimedes principle, apparent weight, fluid motion, equation of continuity, Bernoulli's equation and Poiseuille's equation.

### Oscillation and waves

Periodic oscillation, oscillating spring-mass system, simple harmonic oscillation, simple pendulum, mechanical waves: transverse and longitudinal waves, energy and intensity of waves, standing waves and resonance, standing waves on strings.

### Sound

Characteristics of sound, sound speed, sound intensity and loudness, pitch, perceived loudness, decibels, inverse square law of sound, sources of sounds: stringed and wind instruments; resonances on string, closed and open tubes; and Doppler effect.

### Heat

Heat energy, calorie and Joule, specific heat, absolute temperature, isolated closed systems, calorimetry and calorimeter, latent heats, heat transfer: conduction, convection and radiation.

### Thermodynamics

System and surroundings, ideal gas law, internal energy, first and second law of thermodynamics, entropy, isothermal, adiabatic, isobaric and isovolumetric processes, and work on those processes, heat engine and efficiency, refrigerators, air-conditioners, and heat pumps, and coefficient of performance.

### Significant figures

Significant figures of a number, significant rules in addition, subtraction, multiplication and division.

### Units and unit conversion

SI units, base and derived units, table of units, unit conversion, unit conversion problems, and a table of conversion factors.