SAT - Science - Physics - Mechanics

Question - 1

The motion of the wheel of a cycle is

  • A rectilinear
  • B rotatory
  • C translatory
  • D translatory and rotatory

Question - 2

In 10 minutes a car whose speed is 60 km/hr travels a distance of

  • A 10 km
  • B 20 km
  • C 30 km
  • D 45 km

Question - 3

When the distance an object travels indirectly proportional to the length of the time, it is said to travel with

  • A zero velocity
  • B uniform velocity
  • C constant speed
  • D constant acceleration

Question - 4

The acceleration of a moving body can be found from

  • A area under velocity - time graph
  • B area under distance = time graph
  • C slope of the velocity - time graph
  • D slope of the velocity - time graph

Question - 5

A stone is released with zero velocity from the top of a tower and travels 24.5 m in last seconds of its journey. The time for which the stone is in air is

  • A 3 sec
  • B 9 sec
  • C 1 sec
  • D 5 sec

Question - 6

The area under the acceleration - time graph represents

  • A displacement
  • B velocity
  • C change in velocity
  • D distance travelled

Question - 7

A particle revolves around a circular path the acceleration of the particle is

  • A along the circumference of the circle
  • B along the tangent
  • C along the radius
  • D zero

Question - 8

The SI unit of force is

  • A Newton
  • B joule
  • C dyne
  • D kgwt

Question - 9

The force required to produce an acceleration of 5 m/S2 in an object of mass 2 kg is

  • A 2.5 N
  • B 10.0 N
  • C 0.4 N
  • D 7.0 N

Question - 10

Force can be defined on the basis of

  • A Newton's first law of motion
  • B Newton's second law of motion
  • C Newton's third law of motion
  • D Newton's law of gravitation
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