“ROUGH ROAD”
You are driving down the highway when you see this sign. What is its
meaning?
The road ahead is not for the soft of heart.
The road surface ahead is in poor condition. Slow down.
The road surface ahead is only for 4-wheel drive vehicles.
The road ahead is for large vehicles. If you're in one, speed up.

Fluids at rest possess no flow energy. a)- true b)- false

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed. gi) ifn 1, what will happen to the material when transformed material when