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GCSE Recognising Equations

Total questions: 21

Worksheet time: 5mins

Name
Class
Date
1.

What is the Equation for Weight?

a)

Weight = Mass x Gravitational Field Strength

b)

Weight = Mass / Gravitational Field Strength

c)

Weight = Gravitational Field Strength / Mass

2.

What is the Equation for Work Done?

a)

Work Done = Force x Distance

b)

Work Done = Force / Distance

c)

Work Done = Distance / Force

3.

What is the Equation for Force applied to a Spring?

a)

Force applied to a Spring = Spring Constant x Extension

b)

Force applied to a Spring = Spring Constant / Extension

c)

Force applied to a Spring = Extension / Spring Constant

4.

What is the Equation for a Moment of a Force?

a)

Moment of a Force = Force x Distance

b)

Moment of a Force = Force / Distance

c)

Moment of a Force = Distance / Force

5.

What is the Equation for Pressure?

a)

Pressure = Force x Area of Surface

b)

Pressure = Force / Area of Surface

c)

Pressure = Area of Surface / Force

6.

What is the Equation for Acceleration?

a)

Acceleration = Change in Velocity x Time

b)

Acceleration = Change in Velocity / Time

c)

Acceleration = Time / Change in Velocity

7.

What is the Equation for Resultant Force?

a)

Resultant Force = Mass x Acceleration

b)

Resultant Force = Mass / Acceleration

c)

Resultant Force = Acceleration / Mass

8.

What is the Equation for Momentum?

a)

Momentum = Mass x Velocity

b)

Momentum = Mass / Velocity

c)

Momentum = Velocity / Mass

9.

What is the Equation for Kinetic Energy?

a)

Kinetic Energy = 0.5 x Mass x Speed²

b)

Kinetic Energy = 0.5 x Mass² x Speed

c)

Kinetic Energy = 0.5 x Mass² / Speed

10.

What are Equations for Gravitational Potential Energy?

a)

Gravitational Potential Energy = Mass x Gravitational Field Strength x Height

b)

Gravitational Potential Energy = Weight x Height

c)

Gravitational Potential Energy = Mass x Gravitational Field Strength / Height

d)

Gravitational Potential Energy = Weight / Height

11.

Which are the Equations for Power?

a)

Power = Energy Transferred / Time

b)

Power = Work Done / Time

c)

Power = Energy Transferred x Time

d)

Power = Work Done x Time

12.

What is the Equation for Wave Speed?

a)

Wave Speed = Wave Length x Frequency

b)

Wave Speed = Wave Length / Frequency

c)

Wave Speed = Frequency / Wave Length

13.

What is the Equation for Charge Flow?

a)

Charge Flow = Current x Time

b)

Charge Flow = Current / Time

c)

Charge Flow = Time / Current

14.

What is another Equation for Power?

a)

Power = Potential Difference x Current

b)

Power = Potential Difference / Current

c)

Power = Current / Potential Difference

15.

What is another Equation for Power?

a)

Power = Current² x Resistance

b)

Power = Resistance² x Current

c)

Power = Resistance² / Current

16.

What are the Equations for Energy Transferred?

a)

Energy Transferred = Power x Time

b)

Energy Transferred = Power / Time

c)

Energy Transferred = Charge Flow x Potential Difference

d)

Energy Transferred = Charge Flow / Potential Difference

17.
Distance travelled
a)
F = m a [mass x acceleration]
b)
a = Δv ÷ t [change in velocity ÷ time taken]
c)
Ek = ½ m v² [0.5 x mass x (speed)²]
d)
s = v t [speed x time]
18.
Efficiency (energy)
a)
Ep = m g h [mass x gravitational field strength x height]
b)
E = Q V [Charge flow x potential difference]
c)
Efficiency = Useful output energy transfer ÷ total input energy transfer (x100)
d)
E = P t [power x time]
19.
Efficiency (power)
a)
Efficiency = Useful output power ÷ total input energy power(x100)
b)
E = Q V [Charge flow x potential difference]
c)
P = V I [Potential difference x current]
d)
P = W ÷ t [Work done ÷ time]
20.
Potential difference
a)
E = Q V [Charge flow x potential difference]
b)
ρ = m ÷ V [mass ÷ volume]
c)
V = I R [current x resistance]
d)
v = f λ [frequency x wavelength]
21.
Density
a)
s = v t [speed x time]
b)
W = m g [mass x gravitational field strength]
c)
ρ = m ÷ V [mass ÷ volume]
d)
p = m v [mass x velocity]