Physics Online Practice Test 1

This is an online Practice Test of Physics. It has 10 M.C.Qs .M.C.Qs are from chapters (Vectors ,Linear and Circular Motion, Force and Newton laws) .These are for F.Sc,MDCAT ,ECAT,ETEA students.Total time is 3 minutes and each M.C.Q carries 5 Points.

Physics Practice Test 1

Physics Practice Test 1

  

 

1. Which pair of forces can produce a resultant of 15 newtons?
   1.   20 N, 20 N
   2.   25 N, 5 N
   3.   5 N, 5 N
   4.   7 N, 7 N
2. A girl walks 2 meters north, 4 meters west, and 2 meters south. Her final
   displacement is
   
   1.   4 m east
   2.   4 m west
   3.   2 m north
   4.   2 m south
3. A bomb is dropped from an airplane moving horizontally with a speed of
   200 kilometers per hour. If the air resistance is negligible, the bomb will
   reach the ground in 5 seconds when the altitude of the plane is
   approximately
   1.   50 m
   2.   75 m
   3.   125 m
   4.   250 m
4. A projectile is launched at an angle of 45° with a velocity of 250 meters
   per second. If air resistance is neglected, the magnitude of the horizontal
   velocity of the projectile at the time it reaches maximum altitude is equal
   to
   1.   0 m/s
   2.   175 m/s
   3.   200 m/s
   4.   250 m/s
5. An object is moving around a circle of radius 1.5 meters at a constant
   velocity of 7 meters per second. The frequency of the motion, in
   revolutions per second, is
   1.   0.24
   2.   0.53
   3.   0.67
   4.   0.74
6. An object undergoes uniform accelerated motion. If the radius of the path
   is equal to 1.5 meters and the magnitude of the centripetal acceleration is
   equal to 6 m/s2
   , the magnitude of the tangential velocity is equal to
   1.   3 m/s
   2.   4 m/s
   3.   5 m/s
   4.   6 m/s
7. A person is standing on a bathroom scale in an elevator and notices that her
   weight is less than normal. This means that the elevator:
   1.   must be moving upward
   2.   must be moving downward
   3.   must be at rest
   4.   must have negative acceleration
8. A person having a mass of 60 kilograms exerts a horizontal force of 200 newtons in pushing a 90-kilogram object a distance of 6 meters along a
   horizontal floor. He does this at constant velocity in 3 seconds.
   The work done by this person is approximately,
   1.   540
   2.   1080
   3.   1200
   4.   3600
9. The 1,000-newton weight of a pile driver falls freely from rest; it drops 25
   meters, strikes a steel beam, and drives it 3 centimeters into the ground.
   The kinetic energy of the weight of the pile driver just before it hits the
   beam is, in newton · meters,
   1.   3,000
   2.   25,000
   3.   75,000
   4.   200,000
10. A spring with a force constant k = 500 N/m is stretched by a distance of 0.2
    meter. How many joules of potential energy are stored in the spring?
    1.   500 J
    2.   250 J
    3.   10 J
    4.   5 J