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WorksheetsMoment GCSE Turning effect
Total questions: 21
Worksheet time: 13mins
The moment of a force causes an object to
move forward
move backward
stop moving
turn about a fixed point
The turning effect of a force on a door is greater when it is applied at
A point near the hinges and perpendicular to the door
A point near the hinges and parallel to the door
A point far away from the hinges and perpendicular to the door
A point far away from the hinges and parallel to the door
The diagram shows a light beam pivoted at one end. What is the effort required to lift the load?
50
67
100
200
Jack has a weight of 300 N and sits 2.0 m from the pivot of see-saw. Jill has a weight of 450 N and sits 1.5 m from pivot. Who will move down?
Jack
Jill
Both of them
None of them
The diagram shows the first step in an experiment to determine the position of the centre of mass of a thin card.
What is the next step in this experiment?
Find the mid-point of PQ.
Hang the card from point R.
Measure the mass of the card.
Measure the thickness of the card.
Diagram shows an object of weight W and an object of weight Z balanced on a uniform metre rule.
Which equation relating to W, Z, a and b is correct?
W/a = Z/b
W × Z = a × b
W × a = Z × b
W × (a + b) = Z
A uniform bar of length 1.0 m is supported 30 cm from one end. In order to balance the bar, a weight of 10 N is glued on the end.
What is the weight of the bar? (Leave ans in 3s.f)
(a)
A pupil balances a non-uniform object on a knife edge. To do this, a weight is suspended from the left-hand end of the object.
AWhere is the centre of gravity of the object?
A
B
C
D
The figure shows a stool. A horizontal force F keeps the stool balanced. C is the centre of gravity of the stool and the weight of the stool is 30 N.
At which point will the normal contact force be acting?
(a)
Little Jack uses a metal rod to raise a large stone, as shown below.
Which force would raise the large stone most easily?
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
