Machines are used for reducing efforts and doing more work in less time.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
8m

Machines are used because:
1. We can do more work in less time.
2. They alsosignificantly reduce the effort to be applied by us .

Suggest Corrections

Similar questions

Machines reduce the amount of work needed to do a job.

Q. Simple machines help us to do work more:

Q. Why are machines important in our daily life?
(i) Machines help to make our work to do better.
(ii) Machines help to do work faster.
(iii) Machines help to reduce work.

For simplicity and spend of work, we use instruments in which two or more than two simple machines are used.

In the solution to this problem "A machine has a velocity ratio of 4. It is used to raise a load of 200N by 4m using an effort 20kgf. Find the work done on the machine. Take g = 10 m/s2." effort is calculated as 200. Please explain how this was calculated & the formula for this. Also do explain the unit kgf of effort (what does f stand for).

Join BYJU'S Learning Program

Machines are used for reducing efforts and doing more work in less time.

The correct option is A 8m Machines are used because: 1. We can do more work in less time. 2. They alsosignificantly reduce the effort to be applied by us .

The correct option is A
8m

Machines are used because:
1. We can do more work in less time.
2. They alsosignificantly reduce the effort to be applied by us .