WorksheetsPribadi Grade 8 Moment Force
Total questions: 25
Worksheet time: 13mins
The turning effect of force is called?
Moment of Force
Momentum of Force
The turning effect of force can make an object to turn in a ................ and .............. direction
Right and Left
Clockwise and Anti-clockwise
Up and Down
In definition the moment of force is the product of the __________ and the _______________ from the line of action to the pivot.
Force and distance
Energy and distance
Speed and time
Momentum and distance
The turning effect of Force on a door is greater when it is applied at distance __________ the hinges and perpendicular to the door.
Near
Far
What is requirement in order to make turning effect on an object equal zero?
Clock wise moment = Counter clock wise moment
Clock wise moment > Clock wise moment
Clock wise moment < Counter clockwise moment
Take a look at following picture!
Which level of lever does the picture represent?
First class
Second class
Third class
Take a look at following picture
Which class of lever does the picture represent!
First class
Second class
Third class
What is the name of force applied to a lever?
Effort
Pivot
Load
What will be the effect if we use longer lever?
It will increase the moment
It will decrease the moment
The moment is not influence by the length of lever
A moment of force cause an object to?
Turn about fixed point
Move forward
Move backward
The turning effect of force on a door will be the highest when?
Point far from the hinges and perpendicular
Point near the hinges and perpendicular
Point far from the hinges and parallel
point near from the hinges and parallel
Which class of lever does the picture represent!
First class
Second class
Third class
What type of lever does the picture represent!
First class
Second class
Third class
Which class of lever does the picture represent!
1st class
2nd class
3 class
A force of 20 N is applied to a door handle, 15cm from the pivot. Calculate the moment of the force!
300 N.m
3 N.m
200 N.m
15 N.m
A Force of 60 N is applied to a spanner to turn a nut. The perpendicular distance is 40 cm. Calculate the moment of the force!
2.4 Nm
3.6 Nm
1.2 Nm
6.7 Nm
What is the magnitude of moment if we give the force directly parallel to the pivot?
Maximum
Unknown
Zero
Calculate the value of x!
24 cm
18 cm
12 cm
8 cm
Calculate the weight of the father!
500 N
600 N
700 N
800 N
Calculate the moment of the moment of the force!
340 Nm
400 Nm
Calcluclate the moment and the direction of the moment!
2.5 Nm clockwise
2.5 Nm Anti-clockwise
5 Nm clock-wise
5 Nm Anti-clockwise
Calculate the moment force of the lever!
300 Nm
400 Nm
500 Nm
600 Nm
A solid beam 0.8 m long is lid across a pivot to form a simple lever. The pivot is 0.1 m from the end of the beam. Calculate the heaviest load that could be lifted using a force of 500N!
3500
4000
3000
2500
Jack has a weight of 600 N and sits 2 m from the pivot of see-saw. Jill ha a weight of 450 N sits 1.5 m from pivot. Who will move down?
Jack
Jill
John
The crane is used to lift a load which is 40 m from the pivot. The downward force applied by the load is 5000 N. Calculate the downward force applied by the counterweight which is 10 meters from the pivot!
20000 N
10000 N
500 N
250 N
