Physics 5.1.2

Question 1

A Force is Defined as:

Answer 1

A Push or a Pull that Acts on an Object, due to the Interaction with another Object.

Question 2

Define the Force ‘Weight’:

Answer 2

The Force of Gravity on a Mass.

Question 3

Define the Force ‘Electrostatic Force’:

Answer 3

The Force between 2 Charged Objects.

Question 4

Define the Force ‘Thrust’:

Answer 4

The Force Causing an Object to Move (eg the Force from a Rocket Engine).

Question 5

Define the Force ‘Air Resistance / Drag’:

Answer 5

The Friction of the Air on a Moving Object.

Question 6

Define the Force ‘Upthrust’:

Answer 6

The Force of a Fluid (eg Water) Pushing an Object Upwards (making it Float).

Question 7

Define the Force ‘Compression’:

Answer 7

Forces that Act Inward on an Object, Squeezing it.

Question 8

Define the Force ‘Tension’:

Answer 8

Force Transmitted through a Cable or String, when Pulled on by Forces Acting on its Opposite Ends.

Question 9

Define the Force ‘Reaction Force’:

Answer 9

A Force due to Contact between 2 Objects.

Question 10

The 2 types of Forces are: (2)

Answer 10

-Contact.

-Non-Contact.

Question 11

Define the Force ‘Friction’:

Answer 11

A Force that Opposes Motion. Occurs when Objects Rub Against each other.

Question 12

Examples of Contact Forces: (4)

Answer 12

-Friction.

-Air Resistance.

-Tension.

-Reaction Force.

Question 13

What is a ‘Contact Force’?

Answer 13

A Force which Acts between Objects that are Physically Touching.

Question 14

What is a ‘Non-Contact Force’?

Answer 14

A Force which Acts at a Distance, without any Contact between Bodies, due to the Action of a Field.

Question 15

Examples of Non-Contact Forces: (3)

Answer 15

-Gravitational Force.

-Electrostatic Force.

-Magnetic Force.