FORCES Flashcards
1
Q
anything that can cause change in speed, direction of motion & shape of an object
A
force
2
Q
contact forces
A
friction
3
Q
non-contact forces
A
gravity, magnetism
4
Q
unit of force in MKS
A
Newton (N)
5
Q
unit of force in CGS
A
dynes (d) = 10^ - 5 Newtons
6
Q
English unit of force
A
pound (lb)
7
Q
used to measure forces
A
spring balance
8
Q
forces acting at one point
A
concurrent force
9
Q
combined effect of the forces applied
A
resultant force
10
Q
force equal to resultant but in opposite direction
A
equilibriant force
11
Q
resistance when one body is moved against another body
A
friction
12
Q
what type of friction is from stationary position
A
static
13
Q
what type of friction is from sliding surfaces
A
sliding
14
Q
what type of friction is from rollers
A
rolling
