Force,moments,work And Power Flashcards
1
Q
Forces are measured in
A
Newtons
2
Q
Push
A
Changes the velocity of an object
3
Q
Pull
A
Changes the velocity of an object
4
Q
Weight
A
Moves objects towards the ground
5
Q
Friction
A
Slows down moving objects
6
Q
Electric
A
Causes charged particles to move
7
Q
Magnetic
A
Causes magnetic materials to move
8
Q
Lever
A
A lever is rigid body which is free to turn about a fixed point called the FULCRUM
9
Q
Moment
A
The turning effect of a force (force x perpendicular distance from the force to the fulcrum.
M=Fd
10
Q
The law of the lever
A
When a lever is balanced the clockwise and anti-clockwise moments are equal.
11
Q
A force
A
It is anything which causes an object to change its velocity
