Key terms

?
Definition of a Resultant force
the vector sum of forces acting on a body
1 of 10
Definition of Newtons third law
If a body A exerts a force on a body, then B exerts an equal on opposite force on A
2 of 10
Moment equation?
force x perpendicular distance from the axis
3 of 10
Principle of moments?
resultant force = 0
4 of 10
Definition of the centre of gravity
point where the entire weight of the body is considered to act
5 of 10
which term is correct?
velocity = total displacement / time
6 of 10
which term is correct?
acceleration = change in velocity / time
7 of 10
what is instantaneous speed?
rate of change of distance
8 of 10
Definition of Work
force multiplied by the distance moved in the direction of the force
9 of 10
Definition of power?
rate of energy transfer (work done)
10 of 10

Other cards in this set

Card 2

Front

Definition of Newtons third law

Back

If a body A exerts a force on a body, then B exerts an equal on opposite force on A

Moment equation?

Card 4

Front

Principle of moments?

Card 5

Front

Definition of the centre of gravity