P8

Question 1

If two forces 4 n act left and 2 N down what would the diagram look like

Answer 1

________
|
|

Question 2

What is the difference between a vector and a scaler ?

Answer 2

A vector describes a movement from one point to another. A vector quantity has both direction and magnitude. A scalar quantity has only magnitude

Question 3

If you were to draw a diagram to represent forces. What are the things you need to remember

Answer 3

In a force diagram, an arrow represents each force. The arrow shows: the size of the force (the longer the arrow, the bigger the force)
Also state a key for how many newtons for how many cm or mm

Question 4

Describe the action of pairs and forces

Answer 4

A boxer who punches a bag with a force of 100N experiences an equal and opposite froce of 100N from the bag
The weight of a box is the force of gravity on the object. The object exerts an queal and opposite force on the earth

Question 5

What is the effect of mud on a car being pulled by a tractor ?

Answer 5

The tractor is going to have a greater force to push the car because the mud has friction with the mud and causes it slow down