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WorksheetsCircular motion
Total questions: 20
Worksheet time: 16mins
Harry Potter waved his 0.2 m wand with 0.08 Nm of torque. How much force did Harry apply to rotate his wand?
0.4 N
0.5 N
0.3 N
0.16 N
Which bucket has more inertia?
The bucket on the left because it has less mass
The bucket on the right because it has more mass
They have the same inertia
The bucket on the right because it has less mass
What is the formula for force?
F=m/a
F=a/m
F=m*a
F=m*F
What's the centripetal acceleration of an object traveling 2.0 m/s around a circle of diameter 1.0 m?
4 m/s2
17.63 m/s2
10 m/s2
8.81 m/s2
What is the velocity formula for uniform circular motion?
Express the 60o in radian...
π÷2 rad
π÷3 rad
π rad
2π rad
A rotating wheel makes 2400 revolutions in 1 minutes. Determine the frequency.
400 Hz
40 1/s
4 Hz
40 Hz
Which statement is true about an object that is traveling in uniform circular motion?
The speed of the object varies.
The direction of the object's velocity is constant.
The net force on the object is directed toward the center of the circular path.
The net force on the object is directed away from the center of the circular path.
What is the distance around a circle?
Circumference
Area
Diameter
Radius
Why does a car accelerate as it round a corner at a constant speed?
Its direction changes
It doesn't
It slows down
Its speeds up
