Newton's Law of Motion

Question 1

Newton’s First Law

Answer 1

An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force

Question 2

Newton’s second law

Answer 2

F = ma

Question 3

Newton’s third law

Answer 3

For very action, there is an equal and opposite reaction

Question 4

Interactions of forces

Answer 4

• forces are always of the
  same type e.g.
  gravitational
• The paired forces act on
  different objects.

Question 5

Force

Answer 5

The rate of change in momentum

Question 6

State 2 ways that mass differs from weight

Answer 6

• mass is intrinsic whereas weight
  can change depending on gfs
• mass measured in kg whereas
  weight measured in newtons