Forces and Effects Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Scalar quantity in four of the following is

1. acceleration
2. velocity
3. force
4. energy

MCQ 2: Reduction in efficiency of cars by 20% is a

1. positive effect of friction
2. negative effect of friction
3. neutral effect
4. combined effect (positive and negative both)

MCQ 3: Surface irregularities between two surfaces result in

1. resistance
2. repulsion
3. Friction
4. Attraction

MCQ 4: Friction has

1. only negative effects
2. only positive effects
3. both positive and negative effects
4. no effect in our life

MCQ 5: Use of friction in breaking pads of cars is a

1. positive effect of friction
2. negative effect of friction
3. neutral effect
4. combined effect (positive and negative both)