(4)forces in action Flashcards
1
Q
what is newton’s first law?
A
a body will remian at rest or constant velocity unless acted upon by a resultant force
2
Q
describe mass
A
- measure of body’s inertia (resistance to chnage velocity)
- bodys with more mass= greater inertia= more force to chnage velocity
*
3
Q
describe weight
A
the force of attraction that acts on abody- owing to it having mass, and it being in a gravitational field
can only ever accelerate a body in the vertical plane
4
Q
A
5
Q
How would you find the fraction of the object submerged into a liquid while floating?
A