When an object of mass m slides on a frictionless surface inclined at an angle θ, then the normal force exerted by the surface is-
A. g cos θ
B. mg cos θ
C. g sin θ
D. mg tan θ
Answer:B
When an object of mass m slides on a frictionless surface inclined at an angle θ, then the normal force exerted by the surface is-
A. g cos θ B. mg cos θ C. g sin θ D. mg tan θ