Evaluate the torque on the door

Reference no: EM13549515

(a) A man applies a force of F = 3.00 102 N at an angle of 60.0° to a door, x = 1.90 m from the hinges. Find the torque on the door, choosing the position of the hinges as the axis of rotation.

N · m

(b) Suppose a wedge is placed 1.50 m from the hinges on the other side of the door. What minimum force must the wedge exert so that the force applied in part (a) won't open the door?

Reference no: EM13549515

Questions Cloud

Find the vf and wf of both balls after the collision : A Hollow sphere of mass 6 kg and radius 1.2 meters is rolling without slipping on a horizontal surface with a velocity of 2 m/s. It collides perfectly elastically with a Solid sphere of mass 10 kg and radius .8 meters initially at rest. Find the vf a..

Obtain how many revolutions per second does electron make : In a simple model of the hydrogen atom, the electron moves in a circular orbit of radius 0.053 nm around a stationary proton. How many revolutions per second does the electron make

Escapes from the asteroid into heliocentric orbit : A baseball pitcher can throw a fastball at a speed of ~150 km/hr. what is the largest size spherical asteriod of density p = 3 g cm^-3 from which he can throw the ball fast enough that it: a) escapes from the asteroid into heliocentric orbit?

What factor does its weight change : At a certain distance from the center of the Earth, a 4.0- object has a weight of 3.0 . If the object is now moved twice as far from the Earth, by what factor does its weight change?

Evaluate the torque on the door : A man applies a force of F = 3.00 102 N at an angle of 60.0° to a door, x = 1.90 m from the hinges. Find the torque on the door

Relative to waiting line models-single-channel system : Relative to waiting line models: a. What is meant by the terms single-channel system and multiple-channel system? If a crew offour workers operates as a team in servicing a customer, how many chan- nels does the system have?

Evaluate what is the magnitude of the torque : A person exerts a force of 68N on the end of a door 75cm wide. What is the magnitude of the torque if the force is exerted perpendicular to the door

What is the final temperature of the water–horseshoe system : A 1.50-kg iron horseshoe initially at 670°C is dropped into a bucket containing 22.0 kg of water at 26.0°C. What is the final temperature of the water–horseshoe system? Ignore the heat capacity of the container and assume a negligible amount of water..

Compute how much more time is required for it to stop : The tires of a car make 55 revolutions as the car reduces its speed uniformly from 86km/h to 50km/h . The tires have a diameter of 0.90m. how much more time is required for it to stop

User Account

All Pages