IGCSE O Level Physics Exam MCQs – Practice Test 4 (Chapter 2)

Energy, Work and Power Notes Questions with Answers PDF Download – Test 4

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Free "Energy, Work and Power" App with MCQ: An object of mass 'm' raised to a height '2h' above the ground level possesses a gravitational potential energy of; with answers: mgh, 1 ⁄ 2 × mgh, 2mgh, and m × g &frasl 2h for physics theory revision. Practice Acceleration Free Fall Quiz Questions, download Kobo e-Book (Free Chapter) for physics theory revision.

Energy, Work & Power Test Questions and Answers PDF Download: MCQ 4

MCQ 16: An object of mass 'm' raised to a height '2h' above the ground level possesses a gravitational potential energy of:

1 ⁄ 2 × mgh
mgh
2mgh
m × g ⁄ 2h

MCQ 17: A pendulum bob moves at a speed of 2 m s^-1 and mass of 0.5 kg, its E_k would be:

1 J
0.25 J
0.5 J
2 J

MCQ 18: Mass of a car is 500 kg, which is lifted up by a crane at a height of 200 m, the gravity is 10 N kg^-1. The E_p of the car will be:

1000000 J
10000 J
4 J
25 J

MCQ 19: Work is defined as:

W = F/s, where F is force and s is displacement
W = F + s, where F is force and s is displacement
W = F - s, where F is force and s is displacement
W = F × s, where F is force and s is displacement

MCQ 20: A girl accidentally dropped her mobile phone from the balcony. If the mass of the mobile phone is 0.6 kg and the height from where the mobile phone was dropped is 120 m, keeping in front the gravitational pull of earth, the E_p of the mobile phone is:

7.2 J
200 J
72 J
720 J

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