Torque and Moment of Inertia Lesson

4 Slides • 4 Questions

Torque

What is Torque?

Torque is the force that causes an object to rotate
The formula for Torque is:
$\tau$ = r x F

Multiple Choice

A wrench is used to tighten a nut. A 15N perpendicular force is applied 50cm away from the axis of rotation, and moves a distance of 10 cm as it turns. What is the torque applied to the wrench?

7.5 Nm

1.5 Nm

750 Nm

150 Nm

Multiple Select

If F is force and r is the radius vector, then torque is given by

r x F

r.F

F x r

none of these

Multiple Choice

What is the Unit for Torque

Multiple Choice

The easiest way to open a heavy door is by applying the force

Near the hinges

In the middle of the door

At the edge of the door far from the hinges

At the top of the door

Torque

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