Practice MCQ Questions and answers on Physics-GK Page-6 section-2

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15

51.
Friction can be reduced by changing from

A. Static to Dynamic

B. Rolling to Sliding

C. Dynamic to Static

D. Sliding to Rolling

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52.
It is more difficult to walk on ice than on a concrete road because

A. There is very little friction between the ice and feet pressing it

B. Ice is soft when compared to concrete

C. There is more friction between the ice and feer

D. None of these

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53.
A ball rolling along the ground gradually slows down and finally comes to rest is due to ________

A. Friction

B. Magnetic force

C. Electrostatic force

D. Muscular force

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54.
Frictional force acts in

A. The same direction as the motion

B. The opposite direction of the motion

C. All the directions

D. Upward direction

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55.
The force which makes a vehicle to stop when break is applied is called

A. Gravitational force

B. Vanderwalls force

C. Frictional force

D. Covalant force

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56.
Vehicle tyres are inflated properly

A. To ensure smooth running.

B. To allow the vehicle to take more load.

C. To avoid skidding and to minimise friction

D. To go fast and save fuel.

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57.
Friction is caused by the ________ on the two surfaces in contact.

A. Irregularities

B. Smoothness

C. Densities

D. Gaps

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58.
Ball bearings are used in cycles, scooters etc to

A. Increase the friction between the wheel and the axle

B. Reduce the friction between the wheel and the axle

C. Reduce the friction between ground and the whee

D. None of the above

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59.
The force of friction between two surfaces will increase if:

A. A layer of lubricant is kept between the two surfaces

B. The two surfaces are pressed harder

C. Air gap is created between the two surfaces

D. Irregularities on both the surfaces are removed

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60.
Rolling friction is caused by ________

A. Non-elastic effects

B. Gravity

C. Power dissipation

D. Buoyancy

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Practice MCQ Questions and answers on Physics-GK

51. Friction can be reduced by changing from

Answer & Solution

52. It is more difficult to walk on ice than on a concrete road because

Answer & Solution

53. A ball rolling along the ground gradually slows down and finally comes to rest is due to ________

Answer & Solution

54. Frictional force acts in

Answer & Solution

55. The force which makes a vehicle to stop when break is applied is called

Answer & Solution

56. Vehicle tyres are inflated properly

Answer & Solution

57. Friction is caused by the ________ on the two surfaces in contact.

Answer & Solution

58. Ball bearings are used in cycles, scooters etc to

Answer & Solution

59. The force of friction between two surfaces will increase if:

Answer & Solution

60. Rolling friction is caused by ________

Answer & Solution

Read More Section(Physics)

51.
Friction can be reduced by changing from

52.
It is more difficult to walk on ice than on a concrete road because

53.
A ball rolling along the ground gradually slows down and finally comes to rest is due to ________

54.
Frictional force acts in

55.
The force which makes a vehicle to stop when break is applied is called

56.
Vehicle tyres are inflated properly

57.
Friction is caused by the ________ on the two surfaces in contact.

58.
Ball bearings are used in cycles, scooters etc to

59.
The force of friction between two surfaces will increase if:

60.
Rolling friction is caused by ________