Question 1

Measurements can be scalar or vector quantities.
Which type of quantity only has a size (magnitude)?

Accepted Answer

scalar

Answer

vector

Question 2

Measurements can be scalar or vector quantities.
Which type of quantity has both a size and direction?

Accepted Answer

vector

Answer

scalar

Question 3

Is force a vector or scalar quantity?

Accepted Answer

vector

Answer

scalar

Question 4

What is a force?

Accepted Answer

a push or pull that acts on an object due to the interaction with another object

Answer

when objects are physically touching

Answer

when objects are physically separated

Answer

the movement of an object due to another object

Question 5

What is a contact force?

Accepted Answer

when objects are physically touching

Answer

a push or pull that acts on an object due to the interaction with another object

Answer

the movement of an object due to another object

Answer

when objects are physically separated

Question 6

Which of these forces is a contact force?

Accepted Answer

air resistance

Answer

nuclear

Answer

magnetic

Answer

electrostatic

Question 7

What is a non-contact force?

Accepted Answer

when objects are physically separated

Answer

when objects are physically touching

Answer

the movement of an object due to another object

Answer

a push or pull that acts on an object due to the interaction with another object

Question 8

Which of these forces is a non-contact force?

Accepted Answer

gravitational

Answer

friction

Answer

air resistance

Answer

tension

Question 9

What is different about the interaction pair of forces when two objects interact with each other?

Accepted Answer

the forces are in opposite directions

Answer

the forces are of different sizes

Answer

the forces act at different times

Answer

when one force is a push, the other is a pull

Question 10

Which of these things is NOT the same about the interaction pair of forces when two objects interact with each other?

Accepted Answer

both forces act in the same direction

Answer

both forces are the same size

Answer

both forces are pushes or both forces are pulls

Answer

both forces are acting at the same time

Question 11

What is the size of the resultant force on an object if the forces on it are balanced?

Accepted Answer

zero

Answer

greater force up

Answer

greater force down

Answer

equal force of at least $	ext {1 N}$

Question 12

What is the name of the force acting on an object due to gravity?

Accepted Answer

weight

Answer

mass

Answer

volume

Answer

gravitational force

Question 13

What instrument can be used to measure the weight of an object?

Accepted Answer

newton meter

Answer

kilogram balance

Answer

see saw

Answer

imperial weighing scales

Question 14

What term describes the point through which the weight of an object can be considered to act?

Accepted Answer

centre of mass

Answer

centre of gravity

Answer

central line

Answer

axis of the body

Question 15

What term describes when an object can go back to its original shape and size when deforming forces are removed?

Accepted Answer

elastic deformation

Answer

inelastic deformation

Answer

reshaping

Answer

shape-memory material

Question 16

What term describes when an object does not go back to its original shape and size when deforming forces are removed?

Accepted Answer

inelastic deformation

Answer

elastic deformation

Answer

misshaping

Answer

force damage

Question 17

What does the gradient of a force-extension graph tell you?

Accepted Answer

spring constant

Answer

extension of the spring

Answer

force exerted on a spring

Answer

full length of the spring

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