P2207_lecture_questions_torque_equil_elasticity

# P2207_lecture_questions_torque_equil_elasticity - What is...

This preview shows pages 1–3. Sign up to view the full content.

1 What is the angular velocity ϖ of the minute hand of a clock? ϖ (in rad/s) = ? A. 1 / 60 B. 2 π / 60 C. 1 / 3600 D. 2 π / 3600 A F 3 =40 N F 1 =100 N F 2 =100 N F 4 =150 N 30 ° Which force exerts the largest magnitude torque about the point A? A. F1 B. F2 C. F3 D. F4 E. F1 and F2 What is the net torque exerted by the 4 forces about the point A? Assume counterclockwise torques are positive . A F 3 =40 N F 1 =100 N F 2 =100 N F 4 =150 N 30 ° A. 80 N m B. 100 N m C. 180 N m D. 200 N m E. None of the above 1m 1m 1m 1m A. 60 N m B. - 60 N m C. 140 N m D. - 140 N m E. None of the above What is the net torque exerted by the 4 forces about the point B ? Assume counterclockwise torques are positive . B F 3 =40 N F 1 =100 N F 2 =100 N F 4 =150 N 30 ° 1m 1m 1m 1m

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
2 F 1 L 2 L 1 F 2 pivot For rotational equilibrium, F 2 /F 1 = ? A. 1 B. -1 C. L 1 /L 2 D. L 2 /L 1 For rotational equilibrium, F 2 /F 1 = ? A.
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 12/18/2011 for the course PHYS 2207 at Cornell.

### Page1 / 4

P2207_lecture_questions_torque_equil_elasticity - What is...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online