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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...

Answered by Nathan S. • Physics tutor

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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 a...

Answered by Rebecca F. • Psychology tutor

13397 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 co...

Answered by Rohan B. • Economics tutor

5649 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(-...

Answered by Thomas F. • Maths tutor

2887 Views