Force and Press...

A wooden piece $$5\, N$$ in weight and $$5cm \times 3cm \times 2cm $$ in size lies on $$5cm \times 2cm$$ face. The pressure exerted by it in $$N\, per\, cm^2$$ is:

The three vessels shown in figure have same base area. Equal volumes of a liquid are poured in the three vessels. The pressure at the  base will be

Consider two shoulder bags, one with a thin strap, and the other with a wide strap. If both the bags are equally heavy, the bag with the wide strap will be more comfortable to carry because

Fill in the blanks.
At least _____________ objects must be present to experience a gravitational force. 

To move at the same speed, a car with a flat face and another with a streamlined body will require a different amount of force from the engine. The engine of the streamline bodied car will:

When three forces of 50N, 30N and 15N act on a body, then the body is 

Write true or false. Correct the false statements.

Which of the following statements is /are true?

A vehicle sinks into soft ground. The vehicle is changed so that it does not sink as far. Which change is made?

Consider the following two cases which involve the motion of an object
Case 1: An apple falling from a tree towards the ground.
Case 2: To move a loaded cart on the horizontal ground.