He tune-up specifications of a car call for the spark plugs to be tightened to a torque of 47 n⋅m . you plan to tighten the plugs by pulling on the end of a 25-cm-long wrench. because of the cramped space under the hood, you'll need to pull at an angle of 115 ∘ with respect to the wrench shaft. you may want to review (page

207.4 N

Explanation:

The torque  on a body is

 where r is the radius vector from the point of rotation to the point at which force F is applied.

The product of r and F is equal to the product of magnitude of r and F multiplied by the sine of angle between both vectors.

Therefore, torque is also given by

Where is the angle between r and F.

Use the expression of torque.

Substitute L for r in the equation

Where L is the length of the wrench.

Making F the subject

Force required to pull the wrench is given as,

Substitute  for , 25 cm for L, and 115o for  

unlike poles attract

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this