Mechanics and materials Flashcards
What is a scalar quantity? Give 4 examples.
What is a vector quantity? Give 4 examples.
How can a vector be resolved into perpendicular components?
What is required for translational equilibrium?
Boxes hanging on threads
What is the moment of a force?
What is a couple?
What is the principle of moments?
What is the centre of mass of an object?
What does it mean for an object to be uniform?
What is required for true equilibrium?
Calculating the moment of a force and a couple
beams resting on supports
cantilever beams and ladders
tilting and toppling
What is the velocity of an object?
What is the acceleration of an object?
Which SUVAT equation is not given on the data sheet?
Under what conditions are the SUVAT equations valid?
What is the horizontal acceleration of a projectile, ignoring air resistance?
Why is the peak of a projectile’s motion a useful point to consider?
How does air resistance affect the path of a projectile?
What is Newton’s First Law?
What is Newton’s Second Law?
What is Newton’s Third Law?
What factors determine the magnitude of the normal contact force on an object?
How does a weighing scale work?
What factors determine the magnitude of the frictional force on an object?
How does the air resistance force on an object vary with that object’s speed?
What is the terminal velocity of an object?
identifying newtons third law pairs
using newtons second law
acceleration on slopes
connected bodies
What is the momentum of an object?
What is the conservation of linear momentum?