OnRamps DTP 2-5-21

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

Tags

NGSS.HS-PS2-1

What is the Unit for Torque

• Nm
• N
• W
• J

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

Tags

NGSS.HS-PS2-1

Torque is the product of a force exerted on an object times the lever arm.

• True 
• False

What is the direction of a centripetal force?

• In the same direction that the object is moving
• Inward and perpendicular to the motion of the object
• Upward and slightly forward
• Outward and perpendicular to the motion of the object

One revolution around a circle is equal to 2 pi ___________.