a rope and pulley system is used to lift a box thatweighs 90 newton’s, how much force do you need to pull on the rope if themachine has a mechanical advantages of 5……………

whichof the following is true for torque measurements?

The point of intersection of the lines of action of the weight of all points of the body is called………….

an object will not turn if the applied force on it…………

which of the following levers Is type2?

Torque acting on a body determines?

Magnitude of torque is represented by formula

the physical quantities which causes an object rotates ormove in circle or to change it is rotation

The physical quantity which causes an object to rotateor move in a circle or change its rotational motion is called

A see-saw on one side, there is a person with a weight of 600 N, he is sitting3 m away from the pivot, on the other side, there is another person who is weighting 450 N, how far away must he sitto get all system in equilibrium?

The fulcrum of lever is between the efforts and resistance it is a …… kind of lever

A Bottle opener is an example of a ______ class lever.

the centers of gravity ofthem are the geometrical center?

meter ruler balances when pivoted at 50 cm because   

If the force applied on an object is directed towards the North-East, then the resulting torque direction will be:

A lever with an effort arm of 12 feet, and a load arm of 2 feet, would have a mechanical advantage of..

The centers of gravity of them is the geometrical center

Moment of a torque is product of

he point of intersection of the lines of action of the weight of all the points of body is called

................................a unitless quantity defined as the ratio of force arm to load arm.