0625/11 MJ23 G8 S1

1. Which unit is a unit of weight?

• 1. kilogram

• 0. kilojoule

• 0. kilometre

• 0. kilonewton

What is the distance travelled by the vehicle in 400 s?

• 20 m

• 400 m

• 4000 m

• 8000 m

What is the average speed between X and Y?

• 0.20 m/s

• 0.30 m/s

• 0.40 m/s

• 0.60 m/s

A space rocket travels to the Moon.
The acceleration of free fall is greater on the Earth than it is on the Moon.

How do the mass and weight of the space rocket on the Moon compare with their values on the Earth?

• A

• B

• C

• D

Which quantity must be the same for the rice and for the pasta?

• density

• temperature

• volume

• weight

Which other apparatus does the student need to calculate the density of the irregularly shaped stone?

• 1. a balance

• 1. a thermometer

• 1. a metre rule

• 1. a stop-watch

7. Four objects are moving.
   Which object has a zero resultant force acting on it?

• 1. the object moving at a decreasing speed

• 1. the object moving at an increasing speed

• 1. the object moving at a constant speed in a circle

• 1. the object moving at a constant speed in a straight line

What is the upward force that the string exerts on the rule?

• 0.67 N

• 4.0 N

• 6.0 N

• 9.0 N

Which statement about the position of the centre of gravity of the metal plate is correct?

• 1. It is at P.

• 1. It is at Q.

• 1. It is halfway between P and Q.

• 1. Further investigation is needed to determine its position.

12. A woman has a weight of 600 N. She stands on a horizontal floor. The area of her feet in contact with the floor is 0.050 m².

    What is the pressure she exerts on the floor?

• 0. 1.2×10³ N/m²
     

• 0. 2.4×10³ N/m²

• 0. 1.2×10⁴ N/m²

• 0. 2.4×10⁴ N/m²