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QUIZZ PHYSICS-1 (CH6) -OSAMA AL-SALEH

A detailed illustration of a car taking a banked curve on a highway, with emphasis on physics concepts like tension in strings and circular motion dynamics, colorful graphics to attract viewers

Physics Quiz: Circular Motion and Forces

Test your knowledge of physics concepts related to circular motion and forces with this engaging quiz designed for students and enthusiasts alike. Challenge yourself with a variety of questions focused on tension, speed, and friction in circular scenarios!

10 Multiple Choice Questions
Learn about tension, speed, and forces in circular motion
Ideal for students and physics lovers

10 Questions2 MinutesCreated by SpinningSphere42

A 3 kg mass on the end of a string rotates in a circular motion on a horizontal frictionless table. The mass has a constant speed of 3 m/s and the radius of the circle is 90 cm. The magnitude of the resultant force acting on the mass (in Newton) is:

A) 30N

B) 0.30N

C) 40N

D) 0.40N

A mass M on the end of a string rotates in a circular motion on a horizontal frictionless table. The mass has a constant speed of V and the radius of the circle is R. What is the magnitude of the resultant force acting on the mass when if the radius of string triple?

A) F2=3F1

B) F2=F1

C) F2=9F1

D) F2=F1/3

A) F2=4F1

B) F2=1/4F1

C) F2=16F1

D) F2=1/16F1

A 2 kg ball is attached to a branch by a rope that is 4m long. The ball is swung in an arc forming a pendulum. The speed of the ball at its lowest point is 7 m/s. What is the tension in the rope at its lowest point in the swing?

A) 4.5N

B) 20.0N

C) 52.7N

D) 44.5N

The maximum tension that a 0.50 m string can tolerate is 14 N , A 0.25-kg ball attached to this string is being whirled in a vertical circle. What is the maximum speed the ball can have (a) the top of the circle

A) 5.74 m/s

B) 3.11

C) 7.94 m/s

D) 3.66 m/s

A string 0.5 m long is used to a 1-kg stone in a vertical circle at a uniform velocity of 5 m/s , What is the tension in the string when the stone is at the BOTTOM of the circle

A) 60N

B) 10N

C) 30N

D) 15N

A flat (unbanked) curve on a highway has a radius of 240 m. A car successfully rounds the curve at a speed of 33 m/s.what is the coefficient of static friction between the car's tires and the road surface.

A) 0.25

B) 0.46

C) 0.17

D) 0.75

A car travels around a curve which has a radius of 316 m. The curve is banked at θ=31°, and the coefficient of static friction between the tires and the road is 0.78. At what speed can the car travel around the curve without skidding?

A) 77.3 m/s

B) 81.6 m/s

C) 89.7 m/s

D) 44.2 m/s

For a car traveling with speed 14m/s around a curve of radius 50m , calculate the angle θ at which a road should be banked so that no friction is required for an expressway off-ramp curve.

A) θ=51

B) θ=45

C) θ=39

D) θ=22

A mass (M) is suspended by a string of radius (r=2m) , find the speed of the mass if it to be rotated as conical pendulum makes an angle 47 with the vertical.

A) 21.4 m/s

B) 4.7 m/s

A) 41.2 m/s

D) 15.3 m/s

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