WorksheetsCircular motion
Total questions: 15
Worksheet time: 20mins
What can A represent for?
velocity
centripetal acceleration
displacement
angular acceleration
A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?
A
B
C
D
Where is the net force when the rollercoaster is at the top of the loop?
Towards the sky
Towards the Right
Towards the left
Towards the center of the circle
In uniform circular motion, the magnitude of the _______________________of an object is constant but the __________ is continually changing.
speed, acceleration
speed, direction
acceleration, speed
acceleration, velocity
The _______________________ supplies the centripetal force requirement for the car to move in a horizontal circle. Without it, the car would turn its wheels but would not move in a circle (as is the case on an icy surface).
friction force
centrifugal force
normal force
applied force
What is the angular speed of the hour hand in a clock?
(π/12) rad h−1
(π/24) rad h−1
(2π/12) rad h−1
(2π/60) rad h−1
There are 2π ___________ in one revolution of a circle.
Gradiens
Radians
Degrees
None of the Above
What is the relation between r, s and θ?
θ = rs
r = sθ
s = r/θ
s=rθ
What is the relation between v, r and ω?
v = rω
v = r/ω
ω = vr
ω = r/v
What is the relation between r, s and θ?
θ = rs
r = sθ
s = r/θ
s=rθ
As an object rotates, the change in the angle is called _______ ____ and represented by ________
angular displacement AND s
angular displacement AND θ
rotational displacement AND θ
rotational displacement AND s
