Question
The gravitational field strength is 8.8 N/ kg on Venus and 3.8 N/ kg on Mars.
An object has a weight of 42 N on Venus.
What are the mass and the weight of the object on Mars?
Answer/Explanation
Ans:
A
Question
Which quantity is a force due to a gravitational field?
A density
B mass
C weight
D volume
Answer/Explanation
Ans:C
Question
Which piece of apparatus is the most suitable for measuring the mass of a pencil sharpener?
digital balance
measuring cylinder
newton meter
ruler
Answer/Explanation
Ans: A
Question
What is the best description of the meaning of the ‘mass’ of an object?
the space occupied by the object
the force that gravity exerts on the object
the resistance of the object to changes in motion
the closeness of packing of the molecules in the object
Answer/Explanation
Ans: C
The extension–load graph for a spring is shown. The unstretched length of the spring is 17.0 cm.
When an object is suspended from the spring, the length of the spring is 19.2 cm. What is the weight of the object?
A 1.4 N B 1.6 N C 2.6 N D 3.0 N
Answer/Explanation
Ans: D