When trying to turn a key into a lock, following is applied___________________?

Related Mcqs:

The unit of power in S.I. units is______________?

A. newton meter B. watt C. joule D. kilogram meter/sec E. pascal per sec...

The weight of a body is due to____________________?

A. centripetal force of earth B. gravitational pull exerted by the earth C. forces experienced by body in atmos-phere D. force of attraction experienced by par-ticles E. gravitational force of attraction towards the centre of the earth...

Which one of the following statements is not correct_________________?

A. the tangent of the angle of friction is equal to coefficient of friction B. the angle of repose is equal to angle of friction C. the tangent of the angle of repose is equal to coefficient of friction D. the sine of the angle of repose is equal to coefficient to friction E. none … Which one of the following statements is not correct_________________?Read More...

In actual machines______________?

A. mechanical advantage is greater than velocity ratio B. mechanical advantage is equal to velocity ratio C. mechanical advantage is less than velocity ratio D. mechanical advantage is unity E. none of the above...

Pick up wrong statement about friction force for dry surfaces. Friction force is________________?

A. proportional to normal load between the surfaces B. dependent on the materials of contact surface C. proportional to velocity of sliding D. independent of the area of contact surfaces E. none of the above is wrong statement...