Newton's Laws Flashcards
(5 cards)
1
Q
define newton’s 3rd law
A
force exerted by 1 body on a second body is equal in magnitude and opposite in direction to the force simultaneously exerted.
2
Q
4 conditions for an action-reaction pair
A
2 forces act on 2 different bodies
forces are equal in magnitude
forces are opposite in direction
forces must be of the same type
3
Q
define linear momentum
A
product of its mass and velocity
4
Q
define newton’s 2nd law
A
rate of change of momentum of a body is directly proportional to the external resultant force acting on the body and is in the same direction as the external resultant force
5
Q
A
