When an object of mass m slides on a friction less surface inclined at an angle 0, then 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 friction less surface inclined at an angle 0, then normal force exerted by the surface is –
A. g cos θ B. mg cos θ C. g sin θ D. mg tan θ