A block of mass is pressed against a smooth vertical wall by a horizontal force

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A block of mass

m

is pressed against a smooth vertical wall by a horizontal force

F

. What is the magnitude of the normal reaction exerted by the wall on the block? (a)

\sqrt{F^{2}+m^{2}g^{2}}

(b)

2F

(c)

F

(d)

mg