Question
Why do buildings have wide foundations?
✓
Answer
The foundations of buildings and dams are laid on a large area of ground so that the weight of the building or dam produces less pressure on the ground and they may not sink into the ground.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The velocity-time graph for part of a train journey is a horizontal straight line. What does this tell you about (a) the train’s velocity, and (b) about its acceleration?
The troops (soldiers) equipped to be dropped by parachutes from an aircraft are called paratroopers. Why do paratroopers roll on landing?
Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?
Give one example of:
- Platyhelminthes.
- Nematoda.
How many moles are there in 34.5g of sodium?
(Atomic mass of Na = 23u)
(Atomic mass of Na = 23u)
Classify the following into elements, compounds and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, chalk.
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, chalk.
Give one example each of a body possessing: (i) kinetic energy, and (ii) potential energy.
The velocity of a body of mass 10kg increases from 4m/s to 8m/s when a force acts on it for 2s.
What is the momentum before the force acts?
What is the momentum before the force acts?
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
A man is instructed to carry a package from the base camp at B to submit A of a hill at a height of 1200 metres. The man weighs 800N and the package weighs 200N. If g = 10m/s2,
- How much work does man do against gravity?
- What is the potential energy of the package at A if it is assumed to be