(B) When a person walks, they push the ground backward (towards the $West$) with their foot at the point of contact.According to Newton's $3^{rd}$ law

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(B) When a person walks, they push the ground backward (towards the $West$) with their foot at the point of contact.According to Newton's $3^{rd}$ law of motion, the ground exerts an equal and opposite force on the person's foot in the forward direction (towards the $East$).Since the foot does not slip relative to the ground during the act of walking, the friction involved is static friction.Therefore, static friction acts on the person in the direction of motion, which is towards the $East$.Thus, the correct option is $B$.

Class 11 Physics Newton's Laws of Motion and Friction Static and Limiting Friction and Minimum Force Required to Move

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$A$ person initially at rest starts walking towards the east without slipping or skidding. What is the type of friction acting on the person from the ground, and in which direction does the frictional force act?

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A
Static friction, towards west
B
Static friction, towards east
C
Kinetic friction, towards west
D
Kinetic friction, towards east

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Newton's Laws of Motion and Friction

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Static and Limiting Friction and Minimum Force Required to Move

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$A$ person initially at rest starts walking towards the east without slipping or skidding. What is the type of friction acting on the person from the ground, and in which direction does the frictional force act?

Similar Questions

$A$ block of weight $W$ is held against a vertical wall by applying a horizontal force $F$. The minimum value of $F$ needed to hold the block is $[\mu < 1]$.

$A$ body of mass $2 \,kg$ is on an inclined plane of inclination $30^{\circ}$ and the coefficient of friction is $\frac{1}{\sqrt{3}}$. The minimum force required to move the body up the inclined plane is (Acceleration due to gravity $g = 10 \,ms^{-2}$) (in $\,N$)

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