A seesaw with a length of 5 m and a mass of 40 kg is pivoted at its center. A 20kg child sits on one end. (a)lf the parent pushes at a distance of 2m from the center, what force should she exert to keep the seesaw level? (b) What will be the answer in (a) if the weight of the seesaw is doubled? 3L/4 Axis of rotation mg

A string is wrapped around a pulley of radius 1 m and moment of intertia 5 kgm2. If the string is piulled with a force F, the resulting angular acceleration of the pulley is 5o rad/s2 . Determine the magnitude of the force F.

Take a look at chapter 10, problem 71 in the text book. If the smaller radius = 19.5 cm and the larger radius = 81 cm, then what is the needed force acting to the left in order for the flywheels to not begin rotating? Assume that the force pulling to the left is 36.7 N.

A 50 N weight is located 20 cm from the fulcrum of a balance beam. At what distance from the fulcrum should a 20 N weight be placed to balance the system?

Find Torque ofN, the torque about point P due to the normal force. Express your answer in terms of N and any of the other quantities given in the figure.

The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 9.30 N at point A, 5.40 m from O; FB = 13.0N at point B, 2.90 m from O; and Fc = 18.0 N at point C, 2.90 m from O. Taking the clockwise direction to be negative, what is the net %3D torque about O? 135° A C 160° 90 FA Units Number i

I need help with this physics torque question

A simple pendulum consists of a small object of mass 3.0 kg hanging at the end of a 2.0-m-long light string that is connected to a pivot point. (a) Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string makes a 8.0° angle with the vertical. N.m (b) Does the torque increase or decrease as the angle increase? increase O decrease Explain.

The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA-5.80 N at point A, 9.40 m from OF-15.0 N at point B, 4.80 m from O; and Fe=19.0 N at point C, 1.40 m from O. Taking the clockwise direction to be negative, what is the net torque about O? Number Units Mir TAM

An electric fan with angular velocity of 40 rad/s is operating in your room. Upon leaving the roomyou turn off the fan and after 32 revolutions it comes to rest. a) What is angular acceleration of eachblade? b) If the fan had angular velocity 80 rad/s and upon turning off, after 16 revolutions the fancome to rest. What is the angular acceleration of each blade?