Forces paper 2 Flashcards
1
Q
What does a scalar quantity have?
A
Magnitude only
2
Q
What does a vector quantity have?
A
Magnitude and direction
3
Q
What do forces have?
A
Vector quantities
4
Q
What is a contact force?
A
Objects that are actually touching (tension between two people pulling against one another)
5
Q
What is a non contact force
A
Objects are not touching (force of gravity acts even when objects are not touching)
6
Q
What is gravity?
A
Force of attraction between all masses
7
Q
What is mass of an object?
A
The amount of matter it contains and is constant.
8
Q
What is weight in terms of gravity?
A
A force acting on an object due to gravity
9
Q
What is thr equation for forces?
A
Weight= mass x gravitational field stength
10
Q
What is the resultant force?
A
When more force acts on an object
