Maths in GCSE Engineering Y11

What is the correct formula for below:

• Young’s Modulus = Stress/strain
• Young’s Modulus = Stress/stiffness
• Young’s Modulus = Strength/strain
• Young’s Modulus = Strain/Strength

What is the correct formula for below:

• Stress = force/total area     
• Stress = force/cross area     
• Stress = force/cross sectional area     
• Stress = force/diameter   

What is the correct formula for below:

• Pressure = force/total area     
• Pressure = force/cross area     
• Pressure = force/cross sectional area     
• Pressure = force/diameter   

What is the correct formula for below:

•    Strain = extension/total length
•    Strain = extension/original width
• Strain = extension/original length
• Strain = extension/original length + extension

What is the correct formula for below:

• Volts = Current x Resistance
• Volts = Current x Resisitors
• Volts = Current x Regulator
• Volts = Current x Retnal

What is the correct formula for below:

• Factor of Safety =  Material Strength / Yield Strength 
• Factor of Safety =  Material Strength / Strong Strength 
• Factor of Safety =  Material length / Yield Strength 
• Factor of Safety =  Material Strength / Yield Power 

What is the correct formula for below:

• Rtotal= 1 Red + 2 Red + 3 Red 
• Rtotal= 2 R + 3 R + 4 R 
• Rtotal= 1 R + 2 R + 3 R 
• Redtotal= 1 R + 2 R + 3 R 

What is the correct formula for below:

• Rtotal= 1 Red + 2 Red + 3 Red 
• Rtotal= 2 R + 3 R + 4 R 
• Rtotal= 1 R + 2 R + 3 R 
• Redtotal= 1 R + 2 R + 3 R 

What is the correct formula for below:

• DENSITY= STRENGTH / VOLUME
• DENSITY= SIZE / VOLUME
• DENSITY= MASS / SIZE
• DENSITY= MASS / VOLUME 

What is this formula for?
(check spelling)

• pythagoranan theorys
• pythagorans theorem
• python theorem
• pythagoras theorem