# Physics AS

Questions to test knowledge of unit 1: Physics on the go. Includes Mechanics and Materials.

HideShow resource information
• Created by: Dominique
• Created on: 20-12-09 16:43

## Scalar and Vectors

· What is the difference between a scalar and a vector quantity?

· State a common scalar quantity

· State a common vector quantity

· What is the formula for Pythagoras?

· When adding vectors together, what must you make sure they are?

1 of 17

## Equations of Motion

· What does uniform acceleration mean?

· What are the four equations of motion?

· When do these equations only apply?

· What is the formula for acceleration?

2 of 17

## Newton's Laws Of Motion

· State Newton’s 1st Law

· State Newton’s 2nd Law and what is the equation?

· Do all objects fall at the same rate?

· State Newton’s 3rd Law

3 of 17

## Weight, Mass and the Centre of Gravity

· What is the equation for finding the weight of an object?

· What is the equation for gravitational field strength?

· What is Density?

· What is the equation for Density?

· What unit is Density measured in?

· When will an object be stable?

4 of 17

## Forces

· If a body is in equilibrium, the forces must be...?

· What do free body force diagrams show?

· What is the equation for finding the vertical force? Horizontal force?

5 of 17

## Work

· When is work done?

· What is the equation for finding work done?

· What does the equation assume?

· When do you use vertical and horizontal components when solving work done?

· When work is done against a gravitational force what do you get?

· When work is done against friction what do you get?

· What is the definition of a Joule?

6 of 17

## Power

· What is the definition of Power?

· What are the two equations for solving Power?

· What is the definition of a Watt?

· What equation would you use if the force and motion of an object were acting in different directions?

7 of 17

## Mechanics in the Real World

· What is the equation for Stopping Distance?

· What is the equation for Thinking Distance?

· What are the three main things Car safety features are designed to do?

· What is the only force acting on projectiles?

8 of 17

## Conservation of Energy

· What is the principle of conservation of energy?

· What is the equation to work out kinetic energy?

· What are the two equations that can be used to work out gravitational potential energy?

· What is the equation to work out elastic potential energy?

9 of 17

## Hookes Law

· What is the definition for Hookes Law?

· In relation to springs, what does tensile mean? Compressive?

· What will a graph look like if Hookes Law is being obeyed?

· Where on a graph is the Elastic Limit?

· What does elastic mean? Plastic?

10 of 17

## Youngs Modulus

· What is the equation for Youngs Modulus?

· From a Stress against Strain graph how would you work out Youngs Modulus?

· Which part of the graph will give you the stored energy?

11 of 17

## Stress and Strain

· What is the equation for Stress?

· What is the equation for Strain?

· What is the definition for the breaking stress of a material?

· What is the definition for the ultimate tensile stress of a material?

· What is Elastic strain energy and how would you find it using a graph?

12 of 17

## Behaviour of solids

· What is the definition for:

§ Brittle?

§ Ductile?

§ Malleable?

§ Hard?

§ Stiff?

§ Tough?

· What is the Yield Point of a material?

13 of 17

## Velocity-Time Graphs

· What does the gradient of a velocity-time graph give you?

· What does the area under the graph represent?

· If the velocity-time graph is curved what does this tell you?

14 of 17

## Displacement-Time Graphs

· If the Displacement-Time graph is curved what does this tell you?

· If the graph has a steep gradient is the acceleration smaller or bigger?

· What does the gradient tell you?

· What is the equation for velocity?

15 of 17

## Streamlines and Flow

· What is streamline flow?

· What is turbulent flow?

· What is an eddy current?

· What is the definition for viscous drag?

16 of 17

## Viscosity

· If the viscosity of a fluid is high, what is the rate of flow?

· What will happen to the viscosity of a fluid if the temperature increases?

· What is the equation for the rate of flow?

· What is the equation for Stokes Law?

17 of 17

Report

thanks answers would have been nice

Report

Also im not sure it all applies to edexcel - they give you almost all of the equations and stopping distance is not in the syllabus

Still great though!

Report