A person is trying to tighten a bolt of mass 1 kg using a wrench of mass 6 kg and length 15 cm by applying a force of 12 N as shown in the diagram below. What is the torque
applied?

0.18 Nm

Explanation:

Note: Torque is independent of the mass of a body.

From the question,

T = F×dEquation 1

Where T = Torque, F = force applied to the wrench, d = length of the wrench.

Given: F = 12 N, d = 15 cm = 0.015 m

Substitute into equation 1

T = 12(0.015)

T = 0.18 Nm.

Hence the torque applied is 0.18 Nm

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

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