MEDIUM
10th ICSE
IMPORTANT
Earn 100

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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Important Questions on Force

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 23
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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MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 24
A uniform metre scale balances horizontally at 44 cm mark when a weight of 20 g is placed at 15 cm mark. What is weight of metre scale? Draw a diagram of arrangement.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 25
Draw a neat labelled diagram to show the direction of two force F1 and F2, acting on a body produce rotation on it about point O. What happens when (i)F1=F2, and (ii) F1>F2
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 1
What is the difference between a particle and body?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 2
Define centre of gravity of a body.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 3

Whether centre of gravity of a body is always at geometrical centre of the body? Give examples.

EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 4
Can centre of gravity of a body lie outside the body? Give example.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 1 - Force>QUESTIONS>Q 5
State factors on which the center of gravity (C.G.) of body depends.