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A block of mass m is at rest under the a...

A block of mass m is at rest under the action of force F against a wall as shown in figure. Which of the following statement is incorrect?

A

`f =mg` ( where f is the friction force )

B

F=N ( where N is the normal force )

C

F will not produce torque

D

N' will not produce torque

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A block of mass m is at rest under the action of force F against a wall as shown in the figure. Which of the following statements is incorrect?

    A
    f = mg (where f is frictional force)
    B
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    C
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    D
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    A
    The momentum of the object decreases by 75 kg m/s.
    B
    The momentum of the object increases by 75 kg m/s.
    C
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    D
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