A ________ is a single force acting on a object

A ________ is a single force acting on a object

Subject: Physics / General Physics
Question
A ________ is a single force acting on a object to produce the same net effect as all the collective forces acting on the object.

A.resultant force

B.force system

C.scale drawing

D.vector polygon

In a planetary geartrain with a form factor of 8, the sun gear rotates clockwise at 5 rad?s and the ring gear rotates clockwise at 12 rad?s. At what speed does the carrier gear rotate? A.12.9 rad?s clockwise

B.11.2 rad?s clockwise

C.5.8 rad?s clockwise

D.12.9 rad?s counterclockwise

E. 11.2 rad?s counterclockwise

The velocity ratio of a chain drive is 10. The diameter of the input sheave is 38 cm and it is rotating at a speed of 22 rad?s. Find the diameter of the output sheave and its angular velocity. A.380 cm, 2.2 rad?s

B.3.8 cm, 2.2 rad?s

C.3.8 cm, 220 rad?s

D.380 cm, 220 rad?s

For a constant diametral pitch, what effect does doubling the number of teeth have on the pitch radius? A.It will increase by a factor of four.

B.It will remain the same.

C.It will double.

D.It will be halved