Top answers


How would you calculate the moment of a Force on a rigid object?

You would calculate the moment of a force on a object by first finding the distance of the force from the pivot point of the object. Following this, you would find the component of the force perpendicular to...
NS
Answered by Nathan S. Physics tutor
2802 Views

Outline the social learning theory for gender development

The Social Learning Theory supports the idea that we learn from the environment and receive feedback in the form of reinforcement. It draws attention to the influence of nurture in shaping our behaviour and ...
RF
15240 Views

What is the difference between absolute and comparative advantage?

A country is said to have absolute advantage (in the production of a good) over another country if it is able to produce a greater quantity of a good (using the same amount of resources) than the other count...
RB
Answered by Rohan B. Economics tutor
6453 Views

A scalene triangle PQR, where PQ is (3x+4)m long, QR is (2-x)m long and angle PQR is 30 degrees, has an area of 2 square metres. Find x.

Knowledge of equation Area = 1/2absinC where a = PQ b = QR and C = angle PQR, a diagram may aid with visualisation. (B1) Substituting in values and expanding. 1/2(3x+4)(2-x)sin(30) = 2 becoming 1/4(-3x^2+2x+...
TF
Answered by Thomas F. Maths tutor
3353 Views

What is a covalent bond?

A covalent bond is when the nuclei of two different atoms share a bonded pair of electrons.
CM
2494 Views