AQA A-Level Physics 3.4 Mechanics and materials overview quiz quiz

Mass

Temperature

Velocity

Energy

$5.0$ N

$10$ N

$17$ N

$8.7$ N

Its mass multiplied by its acceleration

Its mass divided by its acceleration at that instant

Its total mass multiplied by its instantaneous velocity

Its weight alone, regardless of any other applied forces

$1.0$ m/s

$2.0$ m/s

$3.0$ m/s

$6.0$ m/s

Kinetic energy only

Both momentum and kinetic energy

Momentum only

Neither

$12$ J

$59$ J

$235$ J

$118$ J

The area under the graph

The gradient of the graph

The y-intercept of the graph

The reciprocal of the gradient

It is very flexible and stretches easily under any small load

It is very stiff and strains little for a given stress

It is brittle and shatters easily without much plastic deformation

It has a particularly low density compared with similar materials

It increases at g

It decreases steadily

It stays constant

It becomes zero at the top

$20$ N m

$40$ N m

$0.025$ N m

$10$ N m

It increases the time over which the momentum changes

It reduces the total change in momentum during the crash

It increases the effective mass of the passenger on impact

It reverses the direction of motion of the passenger completely

$8.0 \times 10^3$ Pa

$2.0 \times 10^{11}$ Pa

$5.0 \times 10^{-12}$ Pa

$2.0 \times 10^3$ Pa