Types of force

Question 1

Define a scalar quantity

Answer 1

Only has a size or magnitude

Question 2

Define a vector quantity

Answer 2

Has both a magnitude and Direction

Question 3

Describe what a force is

Answer 3

A push or pull that acts on an object due to the interaction with another object

Question 4

Is Force a scalar or a vector quantity

Answer 4

Vector

Question 5

Define a contact Force

Answer 5

A force that acts when objects are physically touching EG friction air resistance tension and a normal contact Force

Question 6

Define a non-contact force

Answer 6

A force that acts From a Distance e.g. gravitational electrostatic and magnetic

Question 7

State the size of the resultant force on an object if the forces acting on it are balanced

Answer 7

Zero

Question 8

State the name of a force acting on an object due to gravity

Answer 8

Weight

Question 9

State the name of the instrument that can be used to measure the weight of an object

Answer 9

A Newton meter

Question 10

Define the term centre of mass

Answer 10

The point through which the weight of an object can be considered to act

Question 11

Define the term elastic deformation

Answer 11

When an object can go back to its original shape and size when deforming forces are removed

Question 12

Define inelastic deformation

Answer 12

When an object does not go back to its original shape and size 1 deforming forces are removed

Question 13

Describe how to find the spring constant from a force extension graph of a spring

Answer 13

The gradient of the straight line section