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 2-kg pair of hiking boots 2 meters off the ...
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
www.jiskha.com/search/index.cgi?query=A 5kg mass was lifted 365cm, how much work was done against gravity?
A 4.00kg crate is slowly lifted to a height of 1.50m. a.How much work is done by
the ... the student must lift 70% of the body mass a height of 40cm off the floor. ... If
it takes 10 N to compress a spring 20cm, how much energy will be stored in the ...
When a 5 kg box is lifted 3 meters from the ground, calculate the gravitational ...
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?
Only the component of the force parallel to the motion does work. ... if a rope is
tied to a box and the box is pulled horizontally along a floor, some ... How much
work was done on the text book? ... ANSWER: None, since F = 0, W = 0. ...
frictionless coasters is pushed 5 m along a ramp that makes an angle of 20º to
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
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.dallassd.com/our schools/high school/chemsite/physics/physicsnotes/p6work_energy.pdf
the box's direction. Fighting against the force of gravity. Work and Direction ... 2.
Vertical vs. Horizontal Work. Lifting. Gives an object. Potential Energy of ... 5. A
rocket travels at a constant speed through space. How much work is ... 0 =Fv-mg.
Fv = mg = (15.0 kg)(9.80 m/s2). Fv = 147 N. Whiker = Fd = (147 ... The floor has a...
If the velocity of an object ... 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 ... Consider a box being dragged a
distance d across a frictionless floor: .... A 3-kg mass is dropped from a height h =
if the object is moved 50 m? F= d= W= 2. 650 J of work is done in moving a desk
a horizontal distance of 5 m. ... How much work is done in lifting a 10 kg box 1.5
m off the floor? 2 ... A force of 150 N is used to push a motorcycle 10 m along a
road in 20 s. ... A crane uses 750 kW of power to lift a car 0.5 m in 12 seconds.