physics الصف الأول الثانوي
اختبار Summary
0 of 36 أسئلة completed
أسئلة:
المعلومات
You have already completed this اختبار. You cannot start it again.
اختبار is loading…
You must sign in or sign up to take this اختبار.
You must first complete the following:
النتائج
اختبار complete. Results are being recorded.
النتائج
0 of 36 أسئلة answered correctly
Your Time:
Time has elapsed.
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average Score 

Your Score 

Categories
 درس circular motion 0%
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 Current
 Review
 Answered
 Correct
 Incorrect

Question 1 of 361. سؤال
The maximum frictional force between the tyres of a car and the road is 0.5 the weight of the car. If the car negotiates a curve of radius 10 meter, so its velocity is ……….
CorrectIncorrect 
Question 2 of 362. سؤال
two balls of masses 8 kg and 20 kg , the distance between their centers is 0.2 m , if the universal gravitational constant is G, so the attraction force between them in newton = …………..
CorrectIncorrect 
Question 3 of 363. سؤال
Which of the following affect the strength of the gravitational field on the surface of a planet?…..(more than one answer is correct)
CorrectIncorrect 
Question 4 of 364. سؤال
the ratio between the universal gravitational constant on the earth’s surface to that on the moon’s surface is……..unity
CorrectIncorrect 
Question 5 of 365. سؤال
If the radius of a circular orbit is increased to four times its original value, the centripetal force required to make the speed of the body constant would be…….
CorrectIncorrect 
Question 6 of 366. سؤال
If the tangential linear veloctiy is doubled and the radius of circular path is also doubled. So, the centripetal acceleration……
CorrectIncorrect 
Question 7 of 367. سؤال
A racing car can accelerate by changing…….
CorrectIncorrect 
Question 8 of 368. سؤال
Two satellites A and B rotate around the earth. If the orbit radius of satellite A equals 4 times the orbit radius of satellite B. So , the ratio between the velocity of satellite A to that of satellite B equals……..
CorrectIncorrect 
Question 9 of 369. سؤال
The orbital velocity of a satellite is inversely proportional to……..
CorrectIncorrect 
Question 10 of 3610. سؤال
An object has a mass of 50 kg and a weight of 500 N when it is resting on the surface of the Earth . If it is moved to a height equal to three times the Earth’s radius , what is the object’s new weight?………
CorrectIncorrect 
Question 11 of 3611. سؤال
two bodies of mass (m1) and (m2) and the distance between them is (r). if the mass of the first body is doubled and the distance between them is also doubled, the force of attraction between them……..
CorrectIncorrect 
Question 12 of 3612. سؤال
The orbital velocity that is required to keep the satellite rotating around the earth depends on the ……..
CorrectIncorrect 
Question 13 of 3613. سؤال
two masses , m1 and m2 are separated by a distance d. what changes in the variables will result in no change in the gravitational force between the masses ?…………(more than one answer is correct)
CorrectIncorrect 
Question 14 of 3614. سؤال
If the momentum of an object is doubled and its mass decreased to half, its velocity……….
CorrectIncorrect 
Question 15 of 3615. سؤال
If an object of mass 6 kg moves in a circle of circumference 6 π with constant speed 10m/s, so the centripetal force that acts on the body is ………
CorrectIncorrect 
Question 16 of 3616. سؤال
two satellites of equal masses orbit a planet . satellite B orbits at twice the orbital radius of satellite A. which of the following statements is true ?………
CorrectIncorrect 
Question 17 of 3617. سؤال
In the display window of a toy store at the local mall, a batterypowered plane is suspended from a string and flying in a horizontal circle . The 631 gram plane makes a complete circle every 2.15 seconds. The radius of the circle is 0.95 m. Determine the centripetal force acting upon the plane?…….
CorrectIncorrect 
Question 18 of 3618. سؤال
When a force acts on a moving body in an opposite direction to its motion, its velocity………
CorrectIncorrect 
Question 19 of 3619. سؤال
In one of the amusement park games, the chairs rotates in a uniform circular path. If one of the chairs is 1.5 m away from the center and another chair is 2 m away from the center and both of them are on the same straight line away from the center, so which of them has the largest tangential velocity ?……….
CorrectIncorrect 
Question 20 of 3620. سؤال
the planet jupiter orbits the sun at a nearly constant speed . which of the following statements are true?……………..(select the two best answers)
CorrectIncorrect 
Question 21 of 3621. سؤال
if the distance between the centers of two bodies is doubled and their masses are kept unchanged, the attraction force between them will be………..
CorrectIncorrect 
Question 22 of 3622. سؤال
Two objects A and B move along the circumference of the same circle with the same velocity where mA = 2 mB so , the acceleration with which A moves is ……… that with which B moves.
CorrectIncorrect 
Question 23 of 3623. سؤال
The centripetal force acting on a car that moves in a circular path that inclines at an angle with the horizontal is resulted from……..
CorrectIncorrect 
Question 24 of 3624. سؤال
If the tangential velocity with which a body moves in a circular path is 7 m/s where it makes 4 revolutions in two minutes so, the radius of the circular path equals……..
CorrectIncorrect 
Question 25 of 3625. سؤال
A stone of mass 4 kg that is tied to a string of length 10 m rotates in a horizontal circle, if the tension force in the string is 160 N. So the stone speed is ……..
CorrectIncorrect 
Question 26 of 3626. سؤال
On the scale of a building, gravitational field is………..
CorrectIncorrect 
Question 27 of 3627. سؤال
if the distance between the centers of two masses decreased to its half, the force of attraction between them………..
CorrectIncorrect 
Question 28 of 3628. سؤال
A body is revolving with a constant speed in a circle . If its direction of motion is reversed but the speed remains the same , then which of the following statements is true ?………
CorrectIncorrect 
Question 29 of 3629. سؤال
If an aircraft executes a horizontal loop of radius 1 km with a steady speed of 900 km/h, so the ratio of its centripetal acceleration to the acceleration due to gravity is…….
CorrectIncorrect 
Question 30 of 3630. سؤال
The ratio between the acting force on the body and the rate of change of its velocity according to newton’s second law is the…………
CorrectIncorrect 
Question 31 of 3631. سؤال
A man of mass 50 kg rides a bicycle on a curved road of radius 30 m with a speed of 2 m/s. If the centripetal force that acts on both the man and the bicycle is 10 N , so the mass of the bicycle is ……..
CorrectIncorrect 
Question 32 of 3632. سؤال
The product of the mass of a body and the rate of change of its displacement is called……….
CorrectIncorrect 
Question 33 of 3633. سؤال
An object of mass 0.5 kg at test, started to fall from a height of 180 cm from the surface of earth . Its momentum when it reaches the earth’s surface is ………….
CorrectIncorrect 
Question 34 of 3634. سؤال
At a place , value of (g) is less by 1 % than its value on the surface of the earth (radius of earth (R) = 6400 km) . The place is ……..
CorrectIncorrect 
Question 35 of 3635. سؤال
When a body falls freely towards the ground its………
CorrectIncorrect 
Question 36 of 3636. سؤال
The acceleration due to earth’s gravity is………
CorrectIncorrect