P1.1.4 - Forces at a Distance

Question 1

What is weight?

Answer 1

The force that an object (or person) pushes into the Earth as a result of gravity.

Question 2

The invisible regions around object that exert non-contact forces are called…

Answer 2

force fields

Question 3

Why do yuo weigh less on the moon?

Answer 3

Because the moon has a smaller gravitational field strength.

Question 4

You cannot have weight without…

Answer 4

gravity

Question 5

What is the equation for calculating weight on any planet/moon?

Answer 5

Weight (N) = Mass (Kg) x Gravitational Field Strength (N/Kg)

Question 6

What is mass?

Answer 6

The amount of ‘stuff’ that an object is made from.

Question 7

Mass is measured in…

Answer 7

Kilograms (Kg)

Question 8

What happens to the strength of a force field when you move away from it?

Answer 8

It weakens

Question 9

Weight is measured in…

Answer 9

Newtons (N)

Question 10

Is mass a force?

Answer 10

No

Question 11

What are the names of the 3 types of force field?

Answer 11

Magnetic fields

Gravitational fields

Electrostatic force fields

Question 12

Name the 3 non-contact forces.

Answer 12

Magnetism

Gravity

Electrostatic force