IGCSE Physics - Forces and Motion
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Define the average speed equation | v=d/t
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| Rearrange the average speed equation to calculate Distance | d=v*t
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| Rearrange the average speed equation to calculate Time | t=d/v
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| Define the acceleration equation | a=v-u/t
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| Rearrange the acceleration equation to calculate initial speed | u=v-a*t
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| What is the standard unit of mass? | kg
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| What is the standard unit of time? | s
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| What is the standard unit of speed? | ms^-1
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| What is the standard unit of acceleration? | ms^-2
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| What is the standard unit of force? | N
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| What is the standard unit of momentum? | kg/ms^-2
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| What is the standard unit of distance? | m
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| What is the full name of the standard unit: ms^-1 | metre per second
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| What is the full name of the standard unit: m | metre
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| What is the full name of the standard unit: s | second
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| What is the full name of the standard unit: kg | kilogram
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| What is the full name of the standard unit: ms^-2 | metres per second per second
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| What is the full name of the standard unit: u | Starting speed
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| What is the full name of the standard unit: t | time
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| What is the full name of the standard unit: a | acceleration
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| What is the full name of the standard unit: v | final speed OR velocity
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| A force can change an object's: V... and S... | Velocity and shape
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| What do we call measurements of force which have direction? | Vector
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| What do we call measurements of force which don't have direction? | Scalar
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| Define the equation for Newton's second law of motion | F=m*a
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| Rearrange Newton's second law of motion equation to find the mass | m=F/a
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| Rearrange Newton's second law of motion equation to find the acceleration | a=F/m
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| Rearrange Newton's second law of motion equation to find the Weight | W=m*g
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| What is the unit to measure Weight? | N
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| What is the unit to measure acceleration due to gravity? | ms^-2
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| What term means "falling at a constant speed" | Terminal Velocity
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| What is the approximate value of acceleration due to gravity (g)? | 10ms^-2
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| Mass equation in relation to Newton's second law | m=W/g
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| Momentum equation | p=m*v
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| Mass equation in relation to momentum | m=p/v
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| Velocity equation in relation to momentum | v=p/m
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| Equation: Force = change in momentum divided by time taken for change | F=(Δp)/t
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| Collision equation (where they attach) | v=total momentum/total mass
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| Collision equation (where they divide) | Total momentum=m(1)*v(1)+m(2)*v(2)
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| Impulse equation | F*t=m*Δv
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| Δ | Change
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| Pivot | A point around which something rotates
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| Moment equation | Moment=F*d
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| Moment equation: Forces in same direction | Moment=F(1)*d(1)+F(2)+d(2)
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| Moment equation: Forces in opposing directions | Moment=F(1)*d(1)-F(2)+d(2)
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| Orbital speed equation | v=(2*π*r)/t
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| Final speed equation in relation to acceleration | v=u+a*t
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| a |
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