M23 P

A measuring cylinder contains water.

The diagrams show the measuring cylinder before and after some of the water is poured into a beaker.

How much water has been poured into the beaker?

• 51 cm³

• 52 cm³

• 55 cm³

• 63 cm³

The diagram shows the speed–time graph for a car.

Which row describes the motion of the car at point X and at point Y?

• A

• B

• C

• D

A ball is dropped in a vacuum from a height of 4.0 m above the surface of Mars. The acceleration

of the ball at a height of 2.0 m is 3.8 m / s2.

What is the acceleration of the ball at a height of 1.0 m above the surface of Mars?

1.9

• 1.9 m/s²

• 3.8 m/s²

• 5.7 m/s²

• 7.6 m/s²

Two objects are placed on a balance, one on each side, as shown.

Which properties of the objects can be compared using the balance?

• weight, mass and volume

• weight and mass only

• volume and density

• density only

A rectangular swimming pool is 50 m long and 25 m wide.

It contains water at a depth of 2 m.

The density of the water is 1000 kg/m³.

What is the mass of the water in the pool?

• 2.5 kg

• 2500 kg

• 77 000 kg

• 2 500 000 kg

An object is rising vertically at constant speed through water. There are three vertical forces

acting on it: the weight W, the drag force D, and the upward force U.

Which diagram shows the magnitude and direction of the vertical forces acting on the object?

• A

• B

• C

• D

Which force produces heating during contact with a moving object?

• weight

• friction

• electrostatic force

• magnetic force

A metre rule is balanced at its midpoint.

It remains balanced when a 3.0 N load is hung from the 40 cm mark and a second load is hung from the 80 cm mark.

What is the weight of the second load?

• 1.0 N

• 1.5 N

• 3.0 N

• 9.0 N

A student measures the length of a spring. She then attaches different weights to the spring. She measures the length of the spring for each weight.

The table shows her results.

What is the extension of the spring with a weight of 3.0 N attached to it?

• 4 mm

• 5 mm

• 12 mm

• 13 mm

Which power station produces the greatest atmospheric pollution for each unit of energy

generated?

• a gas fired power station

• a hydroelectric power station

• a nuclear power station

• a wind farm