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A block of mass 5kg is placed on the end of a meter rule on the end of a table. Calculate the moment that is produced by the block.

1.Moment=Force x Distance2.Convert mass into weight (x9.81)3.Times the weight by the distance from the pivot point.4.If done correctly the answer should be 49.06NKg (Don't forg...

Answered by Cameron B. • Physics tutor

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Explain Ohms Law

Ohms law establishes a relationship between resistance, voltage and current, saying that V/I = R. The traditional graph given for ohmic resistors is:An increasing line with gradient x starting at (0,0)

Answered by Lina L. • Physics tutor

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A boy with a mass of 50kg is sitting on a seesaw. He is sitting 2m from the pivot. He has a friend who weighs 40kg, how far away from the pivot must she sit to balance the seesaw? (gravitational accelleration (g) = 10m/s2)

This is a question relating to turning forces, known as moments. For the seesaw to be balanced the moment caused by the 50kg boy must be equal and opposite to the moment caused by the 40kg girl. ...

Answered by Sam G. • Physics tutor

16795 Views

What is cosmic microwave background, and where does it come from?

Cosmic microwave background is a very faint level of microwave radiation filling all of space, and coming from all directions. The cosmic microwave background is useful to physicists as it provides the be...

Answered by Matthew R. • Physics tutor

3180 Views

calaculate the resistance if two 3 ohm resitsors are placed in series and another 3 ohm was attached in parallel

total resistance for resistors in series is the addition of the resistances therefore the two 3 ohm resisters in series totals 6 ohms resistors in parallel follow the equation : 1/R_T = 1/R_...

Answered by Brandon A. • Physics tutor

1540 Views