Friction and its Effects MCQs Quiz Online PDF Download
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MCQs on Friction and its Effects Quiz PDF Download
MCQ: It always opposes motion between two surfaces in contact
MCQ: If a book is moving towards left, friction will act towards
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
- 1.16 ms-2
- 1.33 ms-2
- 0.85 ms-2
- 2.36 ms-2
MCQ: Friction can reduce efficiency of cars upto
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?
- 200 N
- 210 N
- 300 N
- 260 N