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# Friction and its Effects Multiple Choice Questions (MCQ) PDF Download

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The MCQ: It always opposes motion between two surfaces in contact; "Friction and its Effects" App Download (Free) with answers displacement, friction, tension and strain to study online SAT tutoring courses. Practice friction and its effects quiz questions, download Google e-Book (Free Sample) for online SAT practice test.

## Friction and its Effects MCQs: Questions and Answers

MCQ 1: It always opposes motion between two surfaces in contact

A) displacement
B) friction
C) tension
D) strain

MCQ 2: If a book is moving towards the left, friction will act towards

A) down
B) up
C) right
D) left

MCQ 3: A aircraft starts from rest and its propeller produces a forward force of 30000 N. The mass of the aircraft is 35000 kg. If there is no friction then the initial acceleration of the aircraft is

A) 1.16 ms-2
B) 1.33 ms-2
C) 0.85 ms-2
D) 2.36 ms-2

MCQ 4: Friction can reduce the efficiency of cars upto

A) 20&percent;
B) 100&percent;
C) 50&percent;
D) 40&percent;

MCQ 5: 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. The resistances are 8 N per 1000 kg for the truck engine and 10 N per 1000 kg for the lorry. What is the tension connecting two bar between the engine and the lorry?

A) 200 N
B) 210 N
C) 300 N
D) 260 N

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