Test test

• Nm

• Nm-1

• Ns

• Ns-1

• The air pressure of a tyre

• The diameter of a wire

• The turning effect of a spanner

• The wavelength of microwaves

• can move an object at rest

• can change the shape of an object

• cannot change the direction of moving object

• cannot decelerate the moving object if it is in the same direction as object

What is the weight of an object?

• The force of gravity on the object

• The gravitational potential energy of the object

• The internal energy of the object

• The mass of the object

• 3.0 g/cm3

• 4.8 g/cm3

• 8.0 g/cm3

• 12.0 g/cm3

• 20.0 m/s2

• 2.0 m/s2

• 0.2 m/s2

• 0.02 m/s2

• All the forces are equal in size

• The resultant force on the beam is in the opposite direction to the resultant turning effect.

• The resultant force on the beam is zero and the resultant turning effect on the beam is zero.

• The total upward force is twice the total downward force

• density

• friction

• heat

• weight

• 5.0 N

• 10.0 N

• 7.5 N

• 3.5 N

• 60 J

• 80 J

• 600 J

• 800 J