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Worksheetscentripetal and centriugal problems by Masterstroke classes
Total questions: 20
Worksheet time: 14mins
Attitudes that unite people and increase support for a state are defined as
centripetal forces
centrifugal forces
stateless nations
multinational states
Forces or attitudes that tend to divide a state are defined as
centripetal forces
centrifugal forces
soveriegnty
federal states
A car is making a turn at speed v. The radius of the turn is r and the centripetal force on the car is F.
If the car rounds the same curve at speed 2v, what is the required centripetal force?
0.5 F
F
2F
4F
A rock attached to a string swings in a vertical circle. At the highest point,
no forces act on the rock.
only one force acts on the rock.
two forces act on the rock and their resultant is zero.
two forces act on the rock and their resultant is not zero.
State what provides the centripetal force for an electron orbits the positive nucleus of an atom.
Friction between the tyres and the road.
Attractive electrostatic force acting on the proton due to the electron.
Electrical force acting on the electron due to the positive nucleus.
Gravitational force acting on the planet due to the Sun.
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, calculate her centripetal acceleration.
0.0075 m s−2
1.13 m s−2
7.5 m s−2
15 m s−2
What is the unit for the period?
meters
m/s
Hertz
seconds
What is the unit for the velocity?
meters
m/s
Hertz
seconds
What is the unit for the centripetal force?
newtons
m/s
Hertz
seconds
What is the equation to calculate the gravitational force for an object?
F = mT
F = mv2/r
F = mu mg
F = mg
What is the equation to calculate the centripetal force for an object?
F = mT
F = mv2/r
F = mu mg
F = mg
What was the shape of the Fc to v graph?
parabolic
linear
reciprocal
Slope of displacement -time graph gives
velocity
speed
acceleration
displacement
