Learn friction and its effects MCQs, college board SAT physics practice test for online SAT exam, SAT prep. Practice forces in physics multiple choice questions (MCQs), friction and its effects quiz questions and answers. Forces, friction and its effects tutorials for online free scholastic aptitude test.

Study bachelor of science and masters degree courses, online SAT physics degree programs MCQs: it always opposes motion between two surfaces in contact with options displacement, friction, tension and strain with online SAT prep for SAT placement tests for online colleges and universities admission. Free skills assessment test is for online learning friction and its effects quiz questions with MCQs, exam preparation questions and answers.

MCQ: It always opposes motion between two surfaces in contact

1. displacement
2. friction
3. tension
4. strain

B

MCQ: If a book is moving towards left, friction will act towards

1. down
2. up
3. right
4. left

C

MCQ: A aircraft starts from rest and its propeller produces a forward force of 30000 N. mass of aircraft is 35000 kg. If there is no friction then initial acceleration of aircraft is

1. 1.16 ms-2
2. 1.33 ms-2
3. 0.85 ms-2
4. 2.36 ms-2

C

MCQ: Friction can reduce efficiency of cars upto

1. 20&percent;
2. 100&percent;
3. 50&percent;
4. 40&percent;

A

MCQ: A truck engine having mass of 4000 kg is pulling a lorry of mass 1000 kg along a level of path at an acceleration of 0.25 ms-2. resistances are 8 N per 1000 kg for truck engine and 10 N per 1000 kg for lorry. What is tension connecting two bar between engine and lorry?

1. 200 N
2. 210 N
3. 300 N
4. 260 N

D