Torque and Vectors

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

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 cars on the right-hand side, are ____meters from the fulcrum.

• 4.5 m

• 3 m

• 1 m

• 2 m

Tags

NGSS.MS-PS2-4

What is the weight of the package?

• 5 N
• 10 N
• 15 N
• 20 N

Tags

NGSS.HS-PS2-1

What is the weight of the package?

• 5 N
• 10 N
• 15 N
• 20 N

Tags

NGSS.HS-PS2-1

Calculate the torque produced by 75- N perpendicular force at the end of a 0.20 m long wrench.

• 15 Nm

• 1.5 Nm

• 15.0 Nm

• 16 Nm

Calculate the torque produced when 75.0 N force when a pipe extends the length of the wrench to 0.500 m.

• 38 Nm

• 37.5 Nm

• 40 Nm

• 36.5 Nm

If the torque required to loosen a nut on the wheel of a car has a magnitude of 40.0 Nm, what is the minimum force must be exerted by the mechanic at the end of a 0.300 m wrench to loosen the nut?

• 145 N

• 175 N

• 133 N

• 125 N

The formula for calculating torque is T = _____________. What is the unit?

• F*r

• F*m

• F*y

• F*N

A lever arm is the distance from the _________ point to the point where the perpendicular ______________ is applied.

• distance; force

• force; distance

• pivot; force

• force; pivot

What is the torque on a bolt if you are pulling with a force of 200 N directed perpendicular to a wrench of length 25 cm?

• 45 Nm

• 72 Nm

• 75 Nm

• 50 Nm