Forces

Question 1

What is the limit of proportionality?

Answer 1

It is the point when the force applied stops being proportional to the extension

Question 2

What does a change in gradient of a graph of force on the y axis and extension on the x axis show?

Answer 2

The limit of proportionality

Question 3

How do you find out how much energy is used to stretch a spring from a graph of force on y axis and extension on x axis?

Answer 3

Find the area under the graph

Question 4

What is the symbol for final velocity, initial velocity and acceleration?

Answer 4

final - v
initial - u
acceleration - a

Question 5

What is stopping distance equal to?

Answer 5

Stopping distance = thinking distance + braking distance