Weight and circular motion (Edexcel GCSE Physics): Quizzes
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15 questions from this quiz
What type of quantity is mass?
What type of quantity is mass?
Scalar
What is the unit of measurement for mass?
What is the unit of measurement for mass?
Kilograms (kg)
What happens to an object's mass when it moves from Earth to the Moon?
What happens to an object's mass when it moves from Earth to the Moon?
It stays the same
What is weight?
What is weight?
A force from gravity on an object
What is the unit of measurement for weight?
What is the unit of measurement for weight?
Newtons (N)
Which instrument is used to measure weight?
Which instrument is used to measure weight?
Newton meter
How does weight change with location?
How does weight change with location?
Weight depends on gravitational field
What changes when an object moves in a circle at constant speed?
What changes when an object moves in a circle at constant speed?
Direction and velocity
Why does velocity change in circular motion even if speed is constant?
Why does velocity change in circular motion even if speed is constant?
Direction changes
What is the force that keeps an object moving in a circular path called?
What is the force that keeps an object moving in a circular path called?
Centripetal force
In which direction does centripetal force act?
In which direction does centripetal force act?
Towards the centre of the circle
What happens to an object in circular motion if centripetal force is removed?
What happens to an object in circular motion if centripetal force is removed?
It moves in a straight line
What provides the centripetal force for a car going around a bend?
What provides the centripetal force for a car going around a bend?
Friction between tyres and road
What provides the centripetal force for a planet orbiting the Sun?
What provides the centripetal force for a planet orbiting the Sun?
Gravitational force
What provides the centripetal force for an object on a string being swung in a circle?
What provides the centripetal force for an object on a string being swung in a circle?
Tension in the string