Quick Answer: How Much Work Must Be Done To Lift A 110 Kg Motorbike?

How much power is required to do 100 J of work on an object in a time of 0.5 s?

How much power is required to do 100 J of work on an object in a time of 0.5 s? P = W/t = 100 J / 0.5 s = 200 W.

How much energy is needed to lift a weight?

Lifting Weights: On earth it takes about 10 Newton-meters (N-m) of energy to raise a 1 kilogram mass to a height of 1 meter. Since 1 N-m equals 1 Joule, that’s 10 Joules. If it takes 1 second to lift the weight 1 meter, than you have converted 10 Joules of energy to potential energy in one second.

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Which if either requires more work lifting a 10 kg load a vertical distance of 2 m or lifting a 5 kg load a vertical distance of 4 m?

Bigger load: Work = ( 10 kg ) x (9.8 m /s²) x ( 2 m ) = 196 joules. Smaller load: Work = ( 5 kg ) x (9.8 m /s²) x ( 4 m ) = 196 joules. The work required is equal in both cases.

How much force is required to lift a rock a vertical distance of 8 m if 80 J of work is done?

The force (N) required to lift a rock having a vertical distance of 8m and 80 J of W is 10 N.

Which requires more work lifting a 50 kg sack?

Which requires more work: lifting a 50kg sack a vertical distance of 2m or lifting a 25kg sack a vertical distance of 4m? Answer= It is the same, for the product of each is the same; ( 50 kg ) (2 m) = (25 kg ) (4 m).

How do you calculate work?

Work can be calculated with the equation: Work = Force × Distance. The SI unit for work is the joule (J), or Newton • meter (N • m). One joule equals the amount of work that is done when 1 N of force moves an object over a distance of 1 m.

How much energy does it take to lift 1kg 1m?

On earth it takes about 10 Newton-meters (N-m) of energy to raise a 1 kilogram mass to a height of 1 meter. Since 1 N-m equals 1 Joule, that’s 10 Joules. If it takes 1 second to lift the weight 1 meter, than you have converted 10 Joules of energy to potential energy in one second. That’s 10 Watts of power.

How many watts does it take to lift a kg?

In testing skilled, elite weightlifters Garhammer discovered that the power output in terms of the benchpress for a male during a one repetition, max load lift is four watts per kilogram of bodyweight. As it applies to the deadlift and squat, the number increases to 12 watts per kilogram of bodyweight.

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How much force is required to lift a mass of 1kg?

So to lift this 1kg mass will take more than 9.8 N. 10 newtons of life would create a net force of 0.2 N so 0.2/1 = 0.2 meters acceleration. Note that, gravitational force is one side of the same coin, with acceleration on the other.

What are two main forms of mechanical energy?

There are two main types of mechanical energy. They are motion energy and stored mechanical energy. Motion energy: This is the energy something has because it is moving (eg a speeding cricket ball). You can feel the effect of this energy if the cricket ball hits you.

Which requires more work increasing a cars speed?

The work done is equivalent to energy. Therefore, the work can be compared to the kinetic energy. Since 109.89m J > 89.91m J, more work is required to increase the car’s speed from 50 mph to 60 mph.

How many joules of work are done when a force of 10 N pushes it a distance of 10 m?

How many joules of work are done on an object when a force of 10 N pushes it a dis- tance of 10 m? (8.1) 10 Nx 10 m – 100 J rk is done.

How much energy does a 50 kg rock have if it is sitting on the edge of a 15 m cliff?

How much energy does a 50 kg rock have if it is sitting on the edge of a 15 m cliff? 7350 J.

How much work is done by a constant horizontal 20 N force pushing a 50 kg block a distance of 10 m on a horizontal surface?

How much work is done by a constant horizontal 20 – N force pushing a 50 – kg block a distance of 10 m on a horizontal surface? Answer Key: C Work is the product of the force on an object and the distance the object moves in the direction of the applied force. In this case, work = 20 N x 10 m = 200 J.

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When the same block of ice is raised the same vertical distance?

When the same block of ice is raised the same vertical distance by pushing it up a 5m long inclined plane, only 54N of force is required.

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