Define inertia. Give its classification.

Differentiate mass and weight.

Define moment of a couple.

Why a spanner with a long handle is preferred to tighten screws in heavy vehicles?

While catching a cricket ball the fielder lowers his hands backwards. Why?

What is Mechanics? Explain its branches.

What is meant by natural motion?

What is equilibrium?

How can you measure torque?

Write the convention rule of couple.

Define 1 dyne.

Define impulse.

What is mechanics and what it deals?

Is it possible to open a cap of pen with one hand? If not give reason.

Why does the recoil of a heavy gun on firing not so strong as of a light gun using the same cartridges?