Which of the following can change the shape of an object?
Mass
Force
Time
A woman on the surface of the Earth has a mass of 50 kilogram and a weight of 490 newtons. If the woman is floating freely inside a space habitat far away from Earth, she would have
Less weight and more mass.
Less weight and the same mass.
Less weight and less mass.
More weight and less mass.
Magnetic force between magnets
Increases with distance.
Decreases with distance.
Remain the Same.
None of these.
Which of the following of a spring is the force needed to cause unit extension, 1m?
Force.
Gravity.
Force constant.
Mass.
State the relation between gravity and distance:
Gravity increases with distance.
Gravity decreases with distance.
Gravity is irrespective of distance.
Find the weight of a 300kg object on the moon.
50 N
60 N
30 N
20 N
Which of the following can cause an object to speed up, slow down, or change direction?
Inertia
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
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
Which of the following is a push or pull that is capable of changing the velocity of a mass?
Inertia.
Time.
