Energy mass and power multiple choice questions (MCQs), energy mass and power quiz answers, SAT physics test 1 to practice online SAT prep course. Work in physics MCQs, energy mass and power quiz questions and answers for admission and scholarships exams. Practice work in physics, energy in physics, power in physics test prep for SAT practice tests.

Practice energy mass and power test with multiple choice question: for 2 objects of different masses moving at same speed, object of greater mass has, with choices greater potential energy, no kinetic energy, smaller kinetic energy, and greater kinetic energy for online colleges admissions. Practice jobs' assessment test for online learning work in physics quiz questions with MCQs for competitive exam preparation test.

## MCQ on Energy Mass and Power Test 1

MCQ: For 2 objects of different masses moving at same speed, object of greater mass has

1. no kinetic energy
2. greater potential energy
3. smaller kinetic energy
4. greater kinetic energy

D

MCQ: Energy converted to useful electrical energy is about

1. 30&percent;
2. 50&percent;
3. 70&percent;
4. 40&percent;

A

MCQ: A machine has ability to lift blocks vertically up to a height of 30 m above ground in 50 s. power of machine is

1. 1.2 kW
2. 0.12 kW
3. 300 kW
4. 6 kW

B

MCQ: A girl accidently dropped a stone from her building, mass os stone is 12 g and height is 60 m. If air resistance can be neglected and g = 10 N kg-1, what is speed of stone when it hits ground?

1. 5.6 J
2. 7.2 J
3. 3.9 J
4. 5.8 J

B

MCQ: SI unit of work is

1. Joule
2. kg-1
3. watt
4. Newton

A