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WorksheetsKinematics of uniform circular motion
Total questions: 10
Worksheet time: 6mins
Convert 30o into radians.
0.52 rad
3.7 rad
94 rad
1700 rad
Convert 1.0 radians into degrees.
30o
57o
167o
230o
When a body moves with a constant speed along a circle,
no work is done on it.
no force acts on the body.
its velocity remains constant.
no acceleration is produced in the body.
If the body is moving in a circle of radius r with a constant speed v, its angular velocity is
v2 / r
vr
v / r
r / v
The planet Mercury takes 88 days to orbit once round the Sun. Calculate its angular displacement in radians during a time interval of 1 day.
0.012 rad
0.036 rad
0.071 rad
3.14 rad
An aeroplane is circling in the sky at a speed of 150 m s−1. The aeroplane describes a circle of radius 20 km. For a passenger of mass 80 kg inside this aeroplane, determine her angular velocity.
7.5 rad s−1
10.7 rad s−1
3.0x103 rad s−1
7.5x105 rad s−1
An object completes 10 revolutions in a time of 8.2 s. Calculate the time taken for one revolution.
0.82 s
8.2 s
82 s
820 s
An object completes 10 revolutions in a time of 8.2 s. Calculate the frequency.
0.82 Hz
1.22 Hz
2.58 Hz
8.20 Hz
Define 1 radian.
Angle swept out by a line passing through any point on the body and intersecting the axis of rotation perpendicularly.
Net force required to keep an object moving on a circular path.
angle swept out by the radius per unit time.
Angle subtended at the centre of a circle by an arc of length equal to the radius of the circle.
State the meaning of angular speed.
Angle swept out by a line passing through any point on the body and intersecting the axis of rotation perpendicularly.
Net force required to keep an object moving on a circular path.
Angle swept out by the radius per unit time.
Angle subtended at the centre of a circle by an arc of length equal to the radius of the circle.
