Mechanical Engineering Questions! 4b. A positive torque would cause a bar to rot

ID: 2997114 • Letter: M

Question

Mechanical Engineering Questions!

4b. A positive torque would cause a bar to rotate in which direction?

A) clockwise B) counter-clockwise

C) depends on the distance moved D) none of the above

6b. An object naturally spins about its

A) center of percussion. B) moment of inertia. C) center of mass. D) lever arm.

1a. The first machine that was widely used in American households was the sewing machine.

1b. Who was granted the first patent for a sewing machine and in which year?

Name: Thomas Saint Year: 1790

2a. The first patent for a sewing machine that was productively used was granted to a French

man called: Barth

4a answer is D