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WorksheetsUniform Circular motion
Total questions: 10
Worksheet time: 10mins
A car travels around a circular track with a radius of 100 meters at a constant speed of 20 m/s. What is the centripetal acceleration of the car?
4 m/s²
2 m/s²
8 m/s²
10 m/s²
A 0.5 kg ball is attached to a string and swung in a horizontal circle with a radius of 1.2 meters at a speed of 5 m/s. What is the tension in the string?
10.4 N
12.5 N
20.8 N
25.0 N
If a satellite orbits Earth in a circular path with a radius of 1.0 x 10^7 meters and takes 24 hours to complete one orbit, what is its tangential speed?
2.6 x 10^3 m/s
1.5 x 10^3 m/s
3.0 x 10^4 m/s
1.2 x 10^2 m/s
A cyclist is making a turn on a circular track with a radius of 50 meters. If the cyclist’s speed is 8 m/s, what is the magnitude of the centripetal force if the cyclist has a mass of 70 kg?
448 N
112 N
560 N
320 N
An object is moving in a circular path with a radius of 10 meters and an angular velocity of 2 rad/s. What is the centripetal acceleration?
4 m/s²
20 m/s²
40 m/s²
10 m/s²
A 2 kg object moves in a circle of radius 3 meters with a centripetal force of 12 N. What is the tangential speed of the object?
4 m/s
6 m/s
3 m/s
5 m/s
If the period of an object in uniform circular motion is 10 seconds and the radius of the circle is 15 meters, what is the centripetal acceleration?
0.56 m/s²
1.5 m/s²
0.75 m/s²
2.0 m/s²
A 0.8 kg ball is swung in a circle of radius 2 meters at a speed of 4 m/s. What is the centripetal force acting on the ball?
6.4 N
8.0 N
12.8 N
16.0 N
A car traveling at 15 m/s goes around a curve with a radius of 50 meters. What is the required coefficient of friction between the tires and the road to prevent skidding? (Assume g = 9.8 m/s²)
0.3
0.5
0.7
0.9
If the speed of an object in uniform circular motion is doubled, what happens to the centripetal acceleration?
It is halved
It remains the same
It is doubled
It is quadrupled
