SP2a - Resultant Forces Flashcards
1
Q
How is the size of a force represented?
A
The length of arrows
2
Q
What is upthrust?
A
The upwards force reacting underneath an object
3
Q
How do you find the resultant force if the forces are acting in the same direction?
A
You add them
4
Q
How do you find the resultant force if the forces are acting in opposite directions?
A
Subtract one from the other
5
Q
A cyclist is cycling without pedalling The air resistance is 10N and friction 5N. What is the resultant force on the bike?
A
5N
6
Q
How do we know the forces are balanced?
A
The resultant of all forces on an object is zero
