Forces Flashcards
1
Q
What is force
A
Vector ( value with direction)
2
Q
What is force measured in
A
Newton’s
3
Q
What does adding forces together do
A
Produce a resultant force
4
Q
What happens with a resultant force
A
Objects accelerate
5
Q
Pressure =?
A
Pressure ( N/m2) =Force ( N) / Area ( m2)
6
Q
What is needed for acceleration
A
An unbalanced force
7
Q
Name 4 types of contact force
A
Friction
Up thrust
Thrust
Tension
8
Q
Name 3 types of non contact force
A
Gravity
Magnetic
Electrostatic
9
Q
Definition of mass
A
How much stuff/ matter there is – Scalar
10
Q
Definition of weight
A
Force of gravity on the mass– Vector
11
Q
What is ‘g’on earth
A
10 N/kg
12
Q
Weight = ?
A
Mass x Gravitational field
Strength