www.answers.com/Q/If_you_want_to_lift_a_20-kg_box_off_the_floor_to_a_height_of_0.5_meters_how_much_work_will_it_take

If you want to lift a 20-kg box off the floor to a height of 0.5 meters how much work
... How much work will it take to lift a 6kg toolbox 1.5 meters onto a shelf in the ...

www.district196.org/avhs/dept/science/physics/physicsweb04/AVHSPhysics/worknrgnotes.html

When you lift a box up off the floor, you must exert a force at least equal to ...
Kinetic Energy is produced when a net force does work on the object ... For
example, if a 0.5 kg ball is travelling at 10 m/s, then it has ... Equation for PE: PE =
mass x acceleration due to gravity x height above the ground ... How much work
is done?

www.jiskha.com/search/index.cgi?query=How much work is required to lift a 10kg weight 5m off the floor if the time is 10 sec?

You take a 10 N block and lift it 1 meter vertically from the floor and then ... (b)
How much force is required to lift the box, if the mass of the box is 100 kg? ...
Calculate the work required to lift a 20kg object from the floor to a height of 2
meters. ... The height (in feet) of a small weight oscillating at the end of a spring is ...

www.physics247.com/physics-homework-help/friction-and-weight.php

Applying Newton's Second Law of Motion, a 200 kg object will have a weight of ...
You are standing on a bathroom scale in an elevator and wish to calculate what
... the 10th floor. 5. A constant force of 600 N is applied straight up on a 50 kg
crate. ... If 40 kN of friction opposes the plane, how much time it will take the plane
t...

www.physicsclassroom.com/reviews/energy/energyans2.cfm

A 1200 kg car and a 2400 kg car are lifted to the same height at a constant ...
How much work does he do on the box while walking across the floor at constant
speed? ... kinetic energy is directly related to the square of the speed (KE=0.5*m*
v<sup>2</sup>). ... off a diving board that is elevated to a height of 10 meters above the water.

www.physics247.com/physics-homework-help/work-power.php

Only the component of the force parallel to the motion does work. As in the
diagram below, if a rope is tied to a box and the box is pulled horizontally along a
floor, some ... frictionless coasters is pushed 5 m along a ramp that makes an
angle of 20º ... The force applied against gravity is F = mg = (200.0 kg)(9.8 N/kg) =
1960 N

www.northernhighlands.org/cms/lib5/NJ01000179/Centricity/Domain/32/Notes_energy_honors.pdf

If work is the only means to move energy into or out of our system than it will be
true ... room at a constant velocity and put it on a shelf at the same height. ....
Lifting the box off the floor requires you to supply a force at least equal to its .... On
Planet X a 0.5 kg space rock falls a distance of 2.5 meters and looses 20 J of
...

tuhsphysics.ttsd.k12.or.us/Tutorial/Lessons/wknpwr/phy.htm

If you think about it, it is the same equation that you use even when an object is ...
s=5m and F=20N just like in the previous problem, but this time q =60<sup>o</sup> ... Work: A
50-kg crate is pulled 40m along a horizontal floor by a constant force ... Cos(90<sup>o</sup>
)=0 ... power rating of a motor that can lift a 600 Kg load 30 meters in 5 seconds?

www.physics.ohio-state.edu/~gan/teaching/spring99/C7.pdf

same velocity, the bowling ball has much ... If we drop a 3-kg ball from a height of
h = 10 m, ... Work: Work is the energy transferred to or from an object by mean of
a force acting on the ... Consider a box being dragged a distance d across a
frictionless floor: ... other form of energy to change, e. g. we can .... −3⋅9.8⋅5 = 0.

www.askthephysicist.com/classical mechanics.html

I could make a better estimate if you could tell me how far this particular car, ...
For v0=340 m/s (speed of sound) and a baseball (mass=0.15 kg, ... if launched
horizontally from a height of 5 m will hit the ground in one second as shown
below. .... F is the force you exert, W is the weight, N is the force the floor exerts
vertically...