Physics
Answer
Here are two more examples of ramps/slopes that make work easier :
- Wheelchair ramps → Built at building entrances so people using wheelchairs can move up or down smoothly without climbing stairs.
- Loading ramps → Used in warehouses or trucks so heavy boxes or goods can be pushed/pulled easily instead of lifting them straight up.
Related Questions
Name one object around you that is getting work done and one object around you where work done is zero.
Construct a lever using your stationery. What is the effort, load and fulcrum in this case?
Identify the types of lever in the given simple machines.

Solve the following numericals.
(a) What is the mechanical advantage of a machine that lifts a load of 100 N with an effort of 20 N?
(b) What is the effort required if the mechanical advantage is 9 and the load is 81 N?