Forces Flashcards
1
Q
What 3 things can a force be?
A
A push
A pull
A twist
2
Q
What is the unit for forces?
A
Newtons
3
Q
What instrument can we use to measure a pulling force?
A
A Newton Balance
4
Q
What 5 changes can a force effect on an object?
A
Change
- speed
- direction
- size
- shape
- weight
5
Q
What does Newton’s 2nd law say about an object in motion?
A
It will remain in motion at same speed and in same direction unless a resultant force is applied to it
6
Q
What does Newton’s 2nd law say about an object at rest?
A
It will remain at rest unles a resultant force is applied to it
7
Q
What name do we give to force D?
A
Weight
8
Q
What name do we give to force C?
A
Upthrust
9
Q
What name do we give to force B?
A
Drag
Air resistance
Friction
10
Q
What name do we give to force A?
A
Thrust
11
Q
If A is Weight and C is Gravitional Field Strength. what is B
A
Mass
