Q.1.
What are the units used for power?
Q.2.
What is work done?
Q.3.
What is transferred when work is done?
Q.4.
What is the formula for gravitational potential energy?
Q.5.
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.)
Q.6.
What are the units used for work done?
Q.7.
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?
Q.8.
What is gravitational potential energy?
Q.9.
What is the formula for work done?