Advertisements
Advertisements
Question
Classify the following as a lever, a pulley and an inclined plane:
Nutcrackers
Advertisements
Solution
Nutcrackers – A lever
RELATED QUESTIONS
A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
What is an ideal machine?
Give an example of the following uses of a machine:
to obtain gain in speed
Write an expression to show the relationship between mechanical advantage, velocity ratio, and efficiency for a simple machine.
Classify the following as a lever, a pulley and an inclined plane:
An axe
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
Which machine will you use to do the following work? Write their type.
To remove the lid of a tin.
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
What is a lever?
