Learn work and energy MCQs, grade 9 physics test 12 for online learning courses and test prep. Power multiple choice questions (MCQs), work and energy quiz questions and answers include physics worksheets for online applied physics courses distance learning.

Physics multiple choice questions (MCQ): worker takes 80 seconds in lifting a load of 200 n through a height of 10 m. his power will be with options 25 watts, 10 watts, 35 watts and 50 watts, power quiz to explore learning with online collaborative learning portal for online certifications. Free physics study guide to learn power quiz to attempt multiple choice questions based test.

MCQ: A worker takes 80 seconds in lifting a load of 200 N through a height of 10 m. His power will be

1. 10 watts
2. 25 watts
3. 35 watts
4. 50 watts

B

MCQ: When angle between force and displacement is 90° then work done is

1. 0 J
2. 1 J
3. 10 J
4. 50 J

A

MCQ: Direction of work done is

1. the direction of friction
2. the direction of resistive force
3. the direction of applied force
4. none of above

C

MCQ: A force of 250 N acts on a body of mass 30 kg. If velocity is 50 ms-1. distance will be

1. 200 m
2. 120 m
3. 100 m
4. 130 m

C

MCQ: A bus weighing 12kN has speed of 20 ms-1. Its kinetic energy is

1. 210 kJ
2. 230 kJ
3. 240 kJ
4. 250 kJ

C