Download App

Machines — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsMachines1 Mark
Question
Why is a machine not 100% efficient?
✓

Answer

In actual machine there is always some loss of energy due to friction and weight of moving parts,
thus the output energy is always less than the input energy.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[1 Mark Question Answer]" from Machines→Machines — all question types→Physics STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

How does the resistance of a metallic wire depend on the length of wire?
→
Name a machine which is used to multiply speed ?
→
What is a superconductor? Name two materials and the temperature at which they become superconductors.
→
What is wind energy?
→
What factor determines the direction of induced e.m.f?
→
Write the type of energy possessed in the following case:
A bent bow
→
Name the region beyond the red end of the spectrum.
→
A body falls freely under gravity from rest. Name the kind of energy it will possess while falling.
→
A beam of blue, green and yellow light passes through the the Earth's atmosphere. Name the colour which is scattered the most
→
The specific latent heat of fusion of ice is 336 J g-1. Explain the meaning of its statement.
→