How much force is required to start the crate moving

Reference no: EM13538296

an 80 kg crate is resting on a rough horizontal surface. the coefficient of static friction is 0.5 between the surface and the crate. a worker is attmpting to ove the crate by pushing on it with a force that is in a direction 20 degree below the horizontal. how much force is required to start the crate moving?

Reference no: EM13538296

Questions Cloud

How many cubic meters of gasoline is wasted per second : An open tank is filled with gasoline to a height of 4.5 m from the bottom. A hole of diameter 2.4cm is at the bottom of the tank. How fast is the seepage? How many cubic meters of gasoline is wasted per second?

Find its rotational speed at the end of the second minute : a heavy flywheel rotating on its central axis is slowing down because of friction in its bearings. find its rotational speed at the end of the second minute

Compare the sizes of its images on the two photos : A camera's zoom lens covers the focal-length range 38mm -138mm . You point the camera at a distant object and photograph it first at 38mm and then with the camera zoomed out to 138mm . Compare the sizes of its images on the two photos.

Estimate the average velocity of the squirrel : A squirrel falls from a very tall tree. Initially at t= 0), the squirrel is at the top of the tree, a distance y 50 m above the ground. Estimate the average velocity of the squirrel

How much force is required to start the crate moving : an 80 kg crate is resting on a rough horizontal surface. the coefficient of static friction is 0.5 between the surface and the crate. how much force is required to start the crate moving

Calculate the energy in ev of a photon of radiation : One recent study has shown that x rays with a wavelength of 0.0034 nm can produce mutations in human cells. (a) Calculate the energy in eV of a photon of radiation with this wavelength. eV (b) Assuming that the bond energy holding together a water mo..

Compute what force does the wall exert on the ladder : A uniform ladder 7.30 long weighing 435 rests with one end on the ground and the other end against a perfectly smooth vertical wall. What force does the wall exert on the ladder

What is the tension in the cord : A telephone cord is 4.00m long. The cord has a mass of 0.200kg. A transverse pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.800s. What is the tension in the cord?

What is the recoil velocity of the rifle : A rifle of 8lb fires a bullet weighing 0.8oz which leaves the rifle with a muzzle velocity of 2000 ft/s. What is the recoil velocity of the rifle?

User Account

All Pages