What is the efficiency of the screwdriver

Assignment Help Physics
Reference no: EM13652586

A force of 12 N is applied to the handle of a screwdriver being used to pry the lid off a paint can. As the force moves through a distance of 0.3 m, the screwdriver does 3.2 J of work on the lid. What is the efficiency of the screwdriver? Show your work.

Reference no: EM13652586

Questions Cloud

State how long it will take for all of the water to vaporize : Dry air is bubbled through 25 litres of water at a rate of 15 litres (STP)/min. The air leaving the liquid is saturated with water at 25 degrees celcius and 1.5 atm. How long it will take for all of the water to vaporize.
Concave makeup mirror is designed so the virtual image : A concave makeup mirror is designed so the virtual image it produces is four times the size of the object when the distance between the object and the mirror is 11.5 cm. What is the radius of curvature of the mirror?
Calculate the net electric field strength : Two identical charges of 6.0uC are located along the y-axis at +6.4 cm and -6.4 cm respectively. Calculate the net electric field strength at a point P located at 17.6 cm along the x-axis.In addition, what force would be experienced by a 4.5uC charge..
State destruction of the ozone layer by chlorofluorocarbons : The destruction of the ozone layer by chlorofluorocarbons (CFCs) can be described by the following reactions: ClO(g) + O3(g) ----> Cl(g) + 2 O2(g) (ΔHrxn = -29.90 kJ)
What is the efficiency of the screwdriver : A force of 12 N is applied to the handle of a screwdriver being used to pry the lid off a paint can. As the force moves through a distance of 0.3 m, the screwdriver does 3.2 J of work on the lid. What is the efficiency of the screwdriver?
How flattering to know im being clipped : In the book inherit the wind hornbecks line "how flattering to know im being clipped" is an example of what literary term?
How to calculate the fuel value of c6h14 : White gas is a mixture of C5 compounds and C6 compounds. The heavier hydrocarbons in white gas are hexanes (C6H14). Calculate the fuel value of C6H14, given that ?Hdegreescombustion = -4163 kJ/mol
Jogger is heading due east at a speed : An 85-kg jogger is heading due east at a speed of 2.5 m/s. A 55-kg jogger is heading 24° north of east at a speed of 3.7 m/s. Find the magnitude and direction of the sum of momenta of the two joggers.
Space probe is traveling in outer space with a momentum : A space probe is traveling in outer space with a momentum that has a magnitude of 7.70 107 kg · m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 2.20 106 N and a direction opposite to the ..

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resultant force on the child

A 30-kg child rides on a circus Ferriswheel that takes her around a vertical circular path with a radiusof 20 m every 22 s. What is the magnitude of the resultant force on the child

  How hard must each player pull to drag the coach

Using the capacitance determined in part (a),which equals 21 micro F, compute the current in the circuit 6.6 ms after the switch is closed. Assume that the capacitor is uncharged initially and that the emf of the battery is 9.0 {rm V}. Resistance= ..

  Compute how long is the wire

A current of 0.80A flows through a copper wire 0.50mm in diameter, How long is the wire in km

  Estimate the relative temperature difference

Although there are many mechanisms that help large mammals (such as elephants) keep cool in hot climates, the size of ears is a big factor. estimate the relative temperature difference between the territory of African elephants versus the territory ..

  The capacitor is then disconnected from the battery and the

an empty parallel plate capacitor is connected between the terminals of a 13.9-v battery and charges up. the capacitor

  What is the average power of the flywheel during this

question the total angular momentum of a flywheel having a rotational inertia 0.0924 kg-m2 about its axis decreases

  What is the tension in the connecting string between the

two blocks of masses 20 kg and 8 kg are connected together by a light string and rest on a frictionless level surface.

  What velocity components will he have just before he hits

Tom the cat is chasing Jerry the mouse across a table surface1.5 m above the floor. What velocity components will he have just before he hits

  A positive charge of 530 oc is fixed in place from a

a positive charge of 5.30 oc is fixed in place. from a distance of 3.80 cm a particle of mass 6.00 g and charge 3.60 oc

  Microcontrollers usually do not include converters

Microcontrollers usually do not include D/A converters but you can easily create a crude version of one usually signle digital I/O pin. This can be done by outputting a variable-width pulse train to an RC circuit.

  Determine the electric field intensity

Two 4.0-g spheres are suspended by 8.0-cm-long light strings (see the figure). A uniform electric field is applied in the x-direction. determine the electric field intensity

  An electron is placed in a uniform electric field of

an electron is placed in a uniform electric field of strength 195 nc. if the electron is at rest at the origin of a

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd