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The work needed to raise a load of 95kg to a height of 30 m is approximately
The pivot point of a lever is called
Calculate the MASS of the LOAD required to balance the EFFORT applied shown below.
A motor has an input power of 3 kW and is 85 % efficient. What is the output power?
If an object has a mass of 50 Kg on earth, in space its mass would be
What is the power of a hoist required to lift an object of 20 kg, 20 m in 30 seconds.
Pliers rely on which principle for their operation
A motor has an input power of 50kW and an output power of 47kW. What is the efficiency of the motor?
A motor has an output power of 40kW and an efficiency of 80%. What is the input power of the motor?
The power input to a machine is 90 W and the output power is 60 W the efficiency of the machine is
The weight of an object is the
mass of the object divided by 9.81
the same as the mass when there is gravity
force acting on top of the object due to gravity
force acting directly below the object due to gravity
A mass of 9.5 Kg exerts a force on earth of
What is the power of a motor required to lift a load of mass 300kg 40m in 2 minutes.
Calculate the distance D required to balance the effort and load shown
A motor has an output power of 40kW and an efficiency of 66.66%. What is the input power of the motor?
A 2kW heater is 90% efficient. The input power to the heater is
A mass of 30kg would have an weight of
A motor has an efficiency of 73%. If the input power is 32kW, the output power available is
Calculate the work done when required to raise a load of 1000kg through a vertical distance of 20m.
A force of 50kN moves an object a distance of 2m. The work done is.
From the following diagram identify the Mass
From the following diagram what is the arrow pointing to
What is the relationship between force, mass and acceleration?
f = ma
f = m/a
f = m - a
f = m + a
What is the work done when a force of 30N move an object 10m
300 Horse power
What is the gravitational pull on earth
The force of gravity on earth is considered to be
A load of 50Kg has a force of 25N applied what is the acceleration of the load