A spring is stretched to 20 mm (0.02 m) by a weight of 4.0 N. Calculate the force constant K.
300 N / m
100 N / m
400 N / m
200 N / m
An object of a mass of 90kg on the earth would have a weight of
150 N on the moon.
60 N on the moon.
100 N on the moon.
140 N on the moon.
An object of a mass of 162 kg on the earth would have a weight
180 N
270 N
1000 N
1620 N
A marble has a mass of 0.002 kilograms. Find its approximate weight.
20 newtons
0.02 newtons
0.80 newtons
10 newtons
A paper clip has a mass of 0.001 kilograms. Find its approximate weight in newtons.
0.20 N
0.01 N
0.80 N
10 N
The force of gravity on the moon is said to be one sixth of that on the earth. What would be a mass of 12 kg weight on the earth ?
115.6 N
117.6 N
120.1 N
130.6 N
The weight of a body of mass 1 kg is
7.9 N
9.8 N
10.8 N
A spring is stretched 10 mm (0.01 m) by a weight of 2.0 N. Calculate the weight of an object that causes an extension of 80 mm (0.08 m).
15 N
16 N
18 N
Which of the following is a force which can act through space ?
Gravity.
Mass.
Volume.
Density.
A bag of groceries has a weight of 44 newtons. Find its approximate mass in kilograms.
4.4kg
6.4kg
10kg
8.4kg