NAME ________________
Class __________
Date ___________
1. The standard metric unit for mass is _____
and the standard metric unit for weight
is _____.
2. An object's mass refers to _____
and an object's weight refers to _____.
3. Complete the following table showing the relationship between mass and weight.
4. Different masses are hung on a spring scale calibrated in
Newton.
The force exerted by gravity on 1 kg = ~10 N.
The force exerted by gravity on 5 kg = ~______ N.
The force exerted by gravity on 70 kg = ~________ N.
5. What is the mass and weight of a 10-kg object on earth?
Mass =
Weight =
6. What is the mass and weight of a 10-kg object on the moon where the force of gravity is
1/6 th that of the Earth's gravity?
Mass =
Weight =
7. The _______________ of an object is independent of the object's location in space
8. The value of the gravitational field strength g is 10 N/kg on Earth and 1.5 N/kg on the
Moon.
An astronaut, who has a mass of 90 kg on the Earth, goes to the Moon. Show by calculations
or otherwise, how you determine:
(a) his weight on the Earth
(b) his mass on the Moon
(c) his weight on the Moon?
9. An apple is falling through the air.
1. Write down any FORCES which are acting ON THE APPLE.
2. What can you say about the SIZE of these forces?
3. Carefully DRAW in the forces on the diagram of the falling
apple above.
10. Choose weight or mass. (W or M)
1) Measure of the amount of matter._________
2) Measure of the force of gravity.__________
3) Measured with a spring scale.__________
4) Units are grams. ________
5) Changes with location in the universe.________
6) Depends on the acceleration due to gravity.________
7) Units are Newton_________
8) Measured with a triple beam balance._________
9) Measure of the amount of force._______
11. Calculate the Stick Figure’s weight on both earth and
the moon.
Mass of stick figure on earth: 100kg
Acceleration due to gravity on Earth_________
FN =mass X gravity
Weight on earth__________________
Acceleration due to gravity on moon: 1.62m/s/s
Mass on MOON___________
Weight on Moon____________