Top answers

What is the Centripetal force, and how does it keep objects in circular motion?

The Centripetal Force is not a new force which begins to act on an object as it moves in a circle. It is in fact the result of an imbalance of the forces acting on an object i.e the net force. This net force...
SB
Answered by Shaurya B. • Physics tutor
13270 Views

How can I revise for a French speaking exam?

For many language students, speaking exams are a very daunting part of the course! It's important to remember that these exams aren't trying to catch you out; they're looking for you to be enthusiastic and d...
EJ
Answered by Emma J. • French tutor
11564 Views

Why reduce energy demand and what can be done to reduce it?

It is important to reduce energy demand for a number of reasons. It benefits the environment as it can reduce CO2 emissions. It reduces the risk of “the lights going out” where our energy production cannot m...
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Answered by Daniel T. • Geography tutor
4805 Views

What's the difference between genotype and phenotype?

The genotype of an organism is the alleles it has. while the phenotype is the characteristics the alleles produce. For examples the alleles for hair colour could be BB for brown hair and Bb for blonde hair, ...
LG
Answered by Lauren G. • Biology tutor
11053 Views

What are gene mutations?

A mutation is any change to the base sequence of DNA. The different types of mutations that can occur include: Subsitution - this is where one base is swapped for another Deletion - one or more bases are rem...
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Answered by Lauren G. • Biology tutor
6214 Views