Mechanics 1

 20 questions, doesn't include everything but might help. :)

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  • Created by: Joe
  • Created on: 30-03-13 12:27
Define a vector quantity:
A vector quantity has both magnitude and direction.
1 of 16
Define a scalar quantity:
A scalar quantity has magnitude but no direction.
2 of 16
Describes a material that shows no plastic deformation and breaks beyond its elastic limit:
Brittle
3 of 16
Describes a material that can easily be drawn into wires (e.g. copper):
Ductile
4 of 16
Mass
A measure of the amount of matter within an object.
5 of 16
The sum of clockwise ..... about a point is equal to the sum of anticlockwise ..... about the same point.
Moments
6 of 16
The extension per unit length produced by tensile or compressive forces:
Strain
7 of 16
The force acting per unit cross-sectional area:
Stress
8 of 16
A term used to donate push or pull:
Tensile
9 of 16
A force that squeezes an object:
Compressive
10 of 16
The equation for Young's Modulus is what?
Stress / strain
11 of 16
Define torque (Unit: N m):
The product of one of the forces of a couple and the perpendicular distance between them.
12 of 16
Define work done (Unit: J):
The product of the force and the distance moved by the force in the direction of travel.
13 of 16
Define power (Unit: W):
The rate at which work is done.
14 of 16
Define inertia:
An object will remain at rest or in a state of constant motion unless acted upon by an external force.
15 of 16
Define density (Unit: kg m^-3):
The mass per unit volume of a material.
16 of 16

Other cards in this set

Card 2

Front

Define a scalar quantity:

Back

A scalar quantity has magnitude but no direction.

Card 3

Front

Describes a material that shows no plastic deformation and breaks beyond its elastic limit:

Back

Preview of the front of card 3

Card 4

Front

Describes a material that can easily be drawn into wires (e.g. copper):

Back

Preview of the front of card 4

Card 5

Front

Mass

Back

Preview of the front of card 5
View more cards

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