Advertisements
Advertisements
Question
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Advertisements
Solution
To cut vegetables, we should use a knife.
Type: Wedge (simple machine)
RELATED QUESTIONS
What is the principle on which a machine works?
Can a machine have an efficiency of 100%? Give a reason to support your answer.
Give scientific reason for the following:
Passengers in a bus are pushed backward when it starts suddenly.
Define Velocity Ratio
Give an example of the following use of a machine to change the direction of force.
Classify the following as a lever, a pulley and an inclined plane:
A crane
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
Why is this so traveller’s bags have wheels?
Simple machines makes work easier by trading ______ for force.
Name a machine for each of the following uses:
- to multiply the force,
- to change the point of application of force,
- to change the direction of force,
- to obtain the gain in speed.
