Learn energy mass and power multiple choice questions (MCQs), college board SAT physics practice test 1 for online learning, SAT exam prep course. Practice work in physics MCQs questions and answers on work in physics, energy in physics, power in physics for SAT exam preparation online.

Free energy mass and power quiz online, study guide has 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 SAT prep questions and answers for SAT placement tests for colleges and universities admission. Study to learn work in physics quiz questions with online learning 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