Advertisements
Advertisements
Question
In the Figure a block of weight 15 N is hanging from a rigid support by a string. What force is exerted by (a) a block on the string and (b) a string on the block? Name and show them in the diagram.
Advertisements
Solution
(a) A block exerts 15 N force (weight) on the string downwards.
(b) The string exerts an equal force of 15 N on the block in the opposite direction, i.e. upward direction (tension).
APPEARS IN
RELATED QUESTIONS
When a shot is fired from a gun, the gun is recoiled. Explain.
What is the (a) force of gravity and (b) weight of a block of mass 10.5 kg ? Take g = 10 ms-2 .
A man weigh 800 N at the equator. How does the weight of man change at the following place?
At poles
A man weigh 800 N at the equator. How does the weight of man change at the following place?
100 km up in space
How is weight affected in the following case, when initially the body is weighed in Delhi with a spring balance?
Body is taken to sea level.
Do action and reaction act on the same body?
Why do objects fall towards the earth?
In the below figure, a block of weight 20 N is hanging from a rigid support by a string. Find:
The force exerted by string on the block.
A cricket ball of mass 500 g moving at a speed of 30 ms 1 is brought to rest by a player in 0.03 s. Find the average force applied by the player.
