In the following figure the object of mass m is held at rest by the horizontal force as shown. The force exerted by the string on the block is
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70
Answer:
The force exerted by the string on the block is
Explanation:
Given that,
mass = m
According to FBD,
The tension exerted by the string on the block
The vertical components is
....(I)
The horizontal component is
.....(II)
From equation (I) and (II)
....(III)
.....(IV)
On squaring and adding equation (III) and (IV)
Hence, The force exerted by the string on the block is
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