Torque

What is the Unit for Torque

• Nm

• N

• W

• J

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

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

What force does not cause any torque?

• Force perpendicular to the fulcrum.

• Force horizontal to the planck.

• Force slightly off center of the fulcrum

• Forces at a 45 degree angle to the fulcrum, and not on the fulcrum

What is the distance the masses on the right of the fulcrum need to be to balance with the two masses on the left?

• .65 m

• .56 m

• .79 m

• .39 m

Tags

NGSS.MS-PS2-4

When an object is experiencing a net torque

• it is in dynamic equilibrium.
• it is in static equilibrium.
• it is rotating.
• it is translating.

A state of equilibrium is also seen below. Each of the cars weighs the same  9800 N. Despite the fact that there is only one car on the left-hand side that is 9 m from the fulcrum, the torques balance because, the car on the left-hand side, is ____meters from the fulcrum, compared to the cars on the right-hand side.

• 4.5 m
• 3 m
• 1 m
• 2 m

What is the distance the masses on the right of the fulcrum need to be to balance with the two masses on the left?

• .65 m
• .56 m
• .79 m
• .39 m

Tags

NGSS.MS-PS2-4

What direction is the torque acting with respect to post A?

• clockwise
• Counter clockwise
• Neither Direction
• Depends on the mass of the diver

What is the anti-clockwise torque (moment)acting on this crane?

• 80,000Nm

• 100,000Nm

• 120,000Nm

• 140,000Nm

Tags

NGSS.HS-PS2-1