B5 - Forces Flashcards
1
Q
Scalar Quantities
A
Only magnitude with no magnitude
2
Q
What is a force
A
Push or pull that acts on an object due to interaction with another object
3
Q
Unit and Quantity of force
A
Newtons (N) and is Vector
4
Q
What is a Resultant Force
A
A single force that has the same effect as all the original forces acting together
5
Q
Newton’s second law
A
Acceleration directly proportional to the resultant force and inversely proportional to mass
6
Q
What is inertial mass
A
Ratio of the force needed to accelerate an object over the acceleration produced
7
Q
Newton’s third law
A
Two jobs interacting, forces they exert on each other are equal and opposite