What is the time taken to move an object if the total power used is 100 W and the energy transferred by a force to the object is 1,000 J?
100%
10 seconds
0%
100 seconds
0%
1,000 seconds
0%
0.1 seconds
Q.4.
What is transferred when work is done?
0%
Charge
0%
Voltage
100%
Energy
0%
Electrons
Q.5.
What is the formula for gravitational potential energy?
0%
GPE = m x h⁄g
0%
GPE = h x m⁄g
0%
GPE = g x h⁄m
100%
GPE = m x g x h
Q.6.
What is gravitational potential energy?
100%
The energy an object has due to its position within a gravitational field
0%
The strength of the gravitational field at the center
0%
The speed of an object due to the force of gravity
0%
The energy an object radiates to other objects within a gravitational field
Q.7.
What is work done?
100%
The amount of energy transferred to an object that is being moved
0%
The amount of energy transferred to an object at rest
0%
The force needed to move an object
0%
The distance an object can be moved
Q.8.
What are the units used for work done?
100%
Joules
0%
Watts
0%
Coulombs
0%
Amperes
Q.9.
What is the gravitational potential energy of a ball of mass 100 g which is at a height of 1 m above the Earth? (Note: The gravitational strength of the Earth is 9.81 N/Kg.)
0%
1000 J
100%
1 J
0%
0.1 J
0%
1 N
Q.10.
What is the formula for work done?
0%
W = d⁄F
0%
W = F⁄d
100%
F = W x d
0%
W = F x d
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