In orbital motion, gravitational force points in what direction?

Towards the centre of the orbit

What is the relationship between orbital speed, orbital radius, and time period of the orbit?

orbital speed = (2 × π × orbital radius) ÷ time period

orbital speed = orbital radius × time period

orbital speed = orbital radius ÷ time period

orbital speed = 2 × π × orbital radius × time period

What is the relationship between the temperature of a gas and the average kinetic energy of the particles?

temperature = 1 ÷ average kinetic energy

Gas pressure increases when there are…

More frequent collisions with the walls of the container

More collisions between particles

More frequent collisions between particles

More collisions with the walls of the container

At constant mass and volume…

if Kelvin temperature doubles then pressure doubles.

if Celcius temperature doubles then pressure halves.

if Celcius temperature doubles then pressure doubles.

if Kelvin temperature doubles then pressure halves.

Define absolute zero.

The point when KE of particles = 0J

The point when KE of particles = 273J

When an object falls, which of the following is the correct series of events?

As velocity increases, drag increases, resultant force decreases, and acceleration decreases

As velocity increases, drag increases, resultant force decreases, and acceleration increases

As velocity increases, drag increases, resultant force increases, and acceleration decreases

As velocity increases, drag decreases, resultant force increases, and acceleration increases

What is the conservation of momentum?

the sum of momentum before a collision = the sum of momentum after a collision

momentum cannot be created or destroyed

momentum before a collision = momentum after a collision

State the principle of moments.

When balanced, the sum of moments clockwise = the sum of moments anticlockwise

When balanced, the sum of moments = the sum of moments

When unbalanced, the sum of moments clockwise = the sum of moments anticlockwise

When balanced, the sum of moments up = the sum of moments down

Why are crumple zones safety features for collsions?

The increase the time taken to decelerate, decreasing force.

The decrease the time taken to decelerate, decreasing force.

The increase the time taken to decelerate, increasing force.

The decrease the time taken to decelerate, increasing force.

What is the relationship between force, change in momentum, and time?

Force = change in momentum ÷ time

Force = change in momentum + time

Force = time ÷ change in momentum

Force = change in momentum × time

How does a fuse work?

Current exceeds the fuse rating. Fuse melts. Breaking the circuit.

Current gets high. Fuse melts. Breaking the circuit.

Current exceeds the fuse rating. Fuse breaks. Isolating the circuit.

Current gets too high. The electromagnet is turned on. Breaking the circuit.

The voltage of one volt when it travels a distance of one volt

Energy transferred per unit charge

Energy transferred by an electron

Energy transferred per unit charge

Energy transferred by an electron

What is the relationship between energy transferred, charge and voltage?

Energy transferred = charge × voltage

Energy transferred = charge + voltage

Energy transferred = charge ÷ voltage

Energy transferred = time ÷ voltage

5th form random knowledge check

Quiz

•

Physics

•

9th - 10th Grade

•

Practice Problem

•

Medium

Andrew Bamford

Used 1+ times

FREE Resource

Hydrogen begins to run out, fusion begins to decrease, the core collapses, pressure increases, the fusion of helium begins

Helium begins to run out, fusion begins to decrease, the core collapses.

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