Advertisements
Advertisements
Question
Sleepers are used below the rails.
Advertisements
Solution
Sleepers are laid below the rails to reduce pressure (force/area) on the ground.
∴ Sleepers increase the area.
APPEARS IN
RELATED QUESTIONS
How does the effect of force differ when it is applied on a rigid body?
The spanner (or wrench) has a long handle.
State Newton's first law of motion. Why is it called the law of inertia?
State Newton's third law of motion.
A spanner (or wrench) has a long handle. Why?
Classify the following amongst contact and non-contact forces.
normal reaction force,
One joule is the amount of work done when a force of ......... moves a body through a distance of .......
A uniform metre rule rests horizontally on a knife-edge at the 60 cm mark when a mass of 10 gram is suspended from one end. At which end must this mass be suspended? What is the mass of the rule?
The perpendicular distance between the point of application of force and turning point is 1.75 m when a force of 80 N acts on a rigid body. Calculate the moment of force.
