5.12 Inertia And Newtons Third Law

Question 1

Until acted upon by a resultant force what happens to an object?

Answer 1

Objects at rest stay on rest and objects that are moving at a steady speed will stay moving

Question 2

What is the tendency to continue in the same state of motion called ?

Answer 2

Inertia

Question 3

What does an objects inertial mass measure ?

Answer 3

How difficult it is to change the velocity of an object

Question 4

What is Newton’s third law ?

Answer 4

When two objects interact the forces they exert on each other are equal and opposite

Question 5

If you push something what will happen

Answer 5

It will push back against you twice as hard

Question 6

What happens when a skater pushes on another skater

Answer 6

The first skater feels and equal and opposite force from other skater . Both skaters feel the same sized force but in opposite direction so accelerate away from each other

Question 7

If a man pushes on a wall what happens

Answer 7

There is a normal contact force acting back on him as the man
Pushes the wall the wall ‘pushes back’ with an equal force