Professor Thrish Nanayakkara
t.nanayakkara@imperial.ac.uk
+44 (0)20 7594 0965

In Mechanics, students learn how to link force and displacement using laws of physics. They use this knowledge to model several real-world problems, including predicting failure loads in stationary structures and predicting the motion of objects. They put their knowledge in practice in an outdoor unique activity, the catapult challenge.

### Learning Outcomes

On completion of this module, students will be better able to:

•   Represent mechanical systems with free-body diagrams and mathematical notations
•   Analyse basic static structures
•   Analyse basic dynamic systems
•   Predict failure loads in a variety of engineering structures

### Description of Content

Dimension:
Scales
Units
Dimensional analysis
Quantity:
Scalers
Vectors
Position vector
Uncertainty:
Precision, accuracy and resolution
Uncertainty in a measurement
Motion:
Position, velocity and acceleration vectors
Velocity and acceleration in rectilinear motions
Veclocity and acceleration in curvilinear motions
Velocity and acceleration in circular motions
Force:
Frictional foce
Gravitational force
Centre of mass
Free-body diagrams
Newton's laws of motion:
Three laws of motion
Second law for the centre of mass
Second law for projectile motion
Second law for circular motion
Energy methods:
Work and power
Gravitational and elastic potential energies
Kinetic energy
Conservation of energy
Momentum methods:
Linear momentum of bodies
Linear impulse

## Module Highlight

### Catapult Competition

Published on 18 November 2016

First year Design Engineering students compete in the Mechanics 1 final to out-calculate each other and shoot the most accurate projectiles from a catapult at a target. They also compete for the best medieval-themed costume.