A seesaw is unbalanced with two people of different masses sitting equal distances from the fulcrum. How we can move the smaller mass to make the seesaw balanced? closer to the fulcrum or further to the fulcrum?
further from the fulcrum
15
A simple machine which consists of a beam resting on a pivot that help us carry heavy objects is called_____
A lever
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
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
Define " Moment "
it's a turning effect
15
How to calculate moment ?
moment = force x distance (from fulcrum)
15
What are the units for moment
Nm or Newton meter
10
In a balanced seesaw the total clockwise moment = total anticlockwise moment .True or False
True
15
calculate the moment
36 Nm
25
Which letter is the pivot?
B
15
Which letter shows where you should apply the effort?
A
15
Calculate the moment!
2 Nm
25
calculate the moment
20 Nm
25
which direction of this moment?
anti-clockwise moment
10
Calculate the distance of the objects from the fulcrum if the moment is 10 Nm
1 m
25
[True or False] Weight = mass x gravitational force