Ls 1

The unit Nm for moment of force is written as Nm only, but the unit Nm for work or energy is written as Joule (J). Give reason.

• Nm is not Joule.

• Torque is vector and work or energy is scalar.

• Both A and B

• None of the above

Answer explanation

Explaination in page 2

-------force is a fictious force.

• Centrifugal

• Rotational

• Centripetal

• Centre of gravity

At height h/4 from base

• Rod

• Hollow cone

• Circular ring

• Triangular lamina

• Solid cone

Centre of gravity depends on

• Material of the body

• Radius

• Shape

• Temperature

Earth revolving around sun is static equlibrium

• TRUE

• FALSE

• None of the above

Principal of moments ---> Sum of anticlockwise moments = sum of clockwise moments

• True

• False

• Not sure