A constant force is applied to a rigid body with a fixed axis of rotation. This

Question

A constant force is applied to a rigid body with a fixed axis of rotation. This will cause the body to

Rotate with constant angular speed if the force is directed at the axis.

Rotate with constant angular speed if the force is directed along a line offset from the axis.

Rotate with constant angular accel. if the force is directed at the axis.

Rotate with constant angular accel. if the force is directed along a line offset from the axis.

Remain fixed and motionless.

Rotate with constant angular speed if the force is directed at the axis.

Rotate with constant angular speed if the force is directed along a line offset from the axis.

Rotate with constant angular accel. if the force is directed at the axis.

Rotate with constant angular accel. if the force is directed along a line offset from the axis.

Remain fixed and motionless.

Explanation / Answer

We assume boby is initially not rotating about axis of rotation

A) force will produce torque if it is applied offset to axis of rotation. And torque produce angular acceleration. Means increase angular speed. So option a is incorrect

B) torque produce angular acceleration. So this option is also incorrect

C) force directed at axis will not produce torque so no angular acceleration. This option is also incorrect

D) this option is correct

E) this option is incorrect. If a force cant do anything then what will be their to do so...

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.