p5

Question 1

what’s the definition of a force?

Answer 1

A push or pull.That acts on an object, Due to its interaction with another object.

Question 2

what’s a contact force?

Answer 2

Objects are physical touching

Question 3

what’s a non-contact force?

Answer 3

don’t require the objects to be touching

Question 4

an example of a contact force

Answer 4

Friction

Question 5

what are the types of a non-contact force?

Answer 5

Gravitational
magnetic
electrostatic

Question 6

What is a scalar quantity?

Answer 6

something that has a magnitude but no direction

Question 7

what is a vector quantity?

Answer 7

something that has a magnitude and a direction

Question 8

definition of extension–

Answer 8

Increase in length of a spring when it is stretched

Question 9

what is newtons first law?

Answer 9

an object remains in the same state of motion unless a resultant force acts on it.
eg. moving object keeps moving.

Question 10

what is newtons 2nd law?

Answer 10

1-If a non-zero resultant force occurs on the object, it will accelerate
2-The size of the resultant force is directly proportional to the acceleration it causes.

Question 11

what is newtons third law?

Answer 11

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