The picture is one of levers, what type of lever is it?
third class levers
15
How can we increase the moment? mention 2 answer
1.Increase the distance from the force to the pivot 2.Increase the force applied
20
What are the units for moment?
Nm
10
Which letter is the pivot?
B
10
Which letter shows where you should applied effort?
A
15
Calculate the distance of the objects from the fulcrum if the moment is 10 Nm
1 m
25
How is the principle of moment help in making the beam balance?
anti-clockwise moment = clockwise moment
20
How to calculate moment ?
moment = force x distance (from pivot to the applied force)
20
Define " Moment "
it's a turning effect
15
The figure shows a man lifting a heavy rock using a steel bar. He pushes downwards on the end of the bar with a force F. Which pivot positions allows the force F to be as small as possible?
A
25
[True or False] equilibrium is unbalanced
False
10
the man with blue shirt has weight 800 N, his distance from the pivot is 0.8 m, to make the seesaw balance, the man with 640 N weight in red shirt needs to sit in .... m
1 m
25
A simple machine which consists of a beam resting on a pivot that help us carry heavy objects is called_____