MEDIUM
10th ICSE
IMPORTANT
Earn 100

A uniform meter scale is suspended from the 50 cm mark on the scale and it stays horizontal. Two weights of 20 g and 50 g are suspended on either side of this point of suspension. If the 20 g weight is placed on 12 cm mark. What is the position of the 50 g weight?

Important Questions on Force

MEDIUM
10th ICSE
IMPORTANT
A uniform meter scale of mass 70 g is suspended from the 65 cm mark on the scale. Where on the scale a 50 g mass is suspended to keep the scale in a horizontal position?
EASY
10th ICSE
IMPORTANT
A uniform horizontal rod of length 1.5m is pivoted from the middle such that it can rotate freely in vertical plane Two forces each of 100N are applied at the two ends of the rod in vertically upward and downward directions. What is the magnitude of couple acting on this system?
EASY
10th ICSE
IMPORTANT
A nut can be opened by applying a moment at force 90Nm. If a mechanic can apply maximum force of 150N, what should be the length of lever to open the nut?
MEDIUM
10th ICSE
IMPORTANT
The figure shows wheel of radius 5cm that can rotate freely about the point O. It is in equilibrium due to forces F1 and  F2 acting on it. Which one of F1 and F2 is greater force? What is the ratio of the two forces? Given OO=3cm.
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HARD
10th ICSE
IMPORTANT
A uniform metre scale rests on a knife edge at 60 cm mark. The scale becomes horizontal when a mass of 12 g is suspended from one end at scale. Which end of scale is this? What is the mass of scale?
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HARD
10th ICSE
IMPORTANT
The figure shows a heavy wheel of mass w that can rotate freely about the axis passing through point O. The wheel is to be raised on the pavement AB by applying a minimum force. Show the direction of application of force and calculate its magnitude.
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MEDIUM
10th ICSE
IMPORTANT
The figure shows a bar AB pointed in the middle at point O. Two forces 15 N each act on this bar at endsA and B in opposite direction. What is magnitude of resultant moment of forces about O?
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MEDIUM
10th ICSE
IMPORTANT
Three equal forces P. Q and R act in a plane but in different directions. The point O also lies in the same plane. Which force has the least moment about O? Which force has the largest moment about O? Give reasons to your answer.
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