JEE Main 2026 · 2 Apr · Shift 2 · Physics Q36

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PhysicsSingle correct+4 / -1Question 36 of 75

A spherical ball of mass 2 kg falls from a height of 10 m and is brought to rest after penetrating 10 cm into sand. The average force exerted by sand on the ball is ________ N.
(Take $g=10$ m/s²)

1980

2020

2000

1000

Answer and worked solution

Official answer: B

Work-energy over the whole motion. $mg(h+d)=F_\text{avg}\,d$ .

Force. $F_\text{avg}=\dfrac{2\times10\times10.1}{0.1}=2020$ N.

(B)

Topics:Work-energy theorem

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JEE Main 2026 · 2 Apr · Shift 2, Physics question 36