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51114
Moments
Description
Other Physics Quiz on Moments, created by anna2528 on 20/04/2013.
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physics
physics
other
Quiz by
anna2528
, updated more than 1 year ago
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Created by
anna2528
over 11 years ago
98
3
1
Resource summary
Question 1
Question
What is a Moment or Moment of a Force?
Answer
The time taken for something to turn.
The turning effect of a force.
Question 2
Question
How do you calculate a Moment?
Answer
Moment = Force x Distance from Pivot Nm or Ncm= (N) (m or cm)
Moment = Mass x Gravity (N) = (kg) x (10)
Moment = Force / Area
Question 3
Question
In a test, if you are given mass instead of force what do you need to do?
Answer
Turn it into Weight
Turn it into Pressure
Turn it into Height
Question 4
Question
A girl is trying to unscrew a nut using a spanner. State TWO ways of increasing this turning effect
Answer
Use a shorter hammer
Use a longer hammer
Turn the spanner the other way
Use a bigger force
Use a heavier spanner
Question 5
Question
If a spanner is 30cm long and you are putting a force of 100N on it, what is the moment?
Answer
3000Ncm
3000Nm
300Ncm
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