Duplicate of Year 10 Motion

Question 1

A sliding object experiences 8 N of friction. The force needed to maintain constant velocity is

Accepted Answer

exactly 8 N

Question 2

A 10 Newton falling mass encounters 6 Newtons of air resistance. The net force on the mass is

Accepted Answer

4 Newtons down

Question 3

A hammer applies a force to a nail. What is the reaction force in this scenario?

Accepted Answer

the force of nail on the hammer

Question 4

Which has balanced forces:

Accepted Answer

A horse tied to a post

Question 5

Which object experiences a greater force when a kid on a bike hits a moving car?

Accepted Answer

the forces are equal

Question 6

Which of the following is a disadvantage of friction?

Accepted Answer

Carpet burn

Question 7

The Law of Inertia is:

Accepted Answer

Newton's 1st Law

Question 8

Which is not an example of a force:

Accepted Answer

acceleration

Question 9

Which is not an effect of friction?

Accepted Answer

acceleration

Question 10

What is the resultant force?

Accepted Answer

90 N right

Question 11

A book weighs 4 N. When it is at rest in your hand, the net force on the book is:

Accepted Answer

0 N

Question 12

Which of the following is measured in Newtons?

Accepted Answer

Force

Question 13

What is the resultant force?

Accepted Answer

12 N right

Question 14

This is the force exerted by a surface on an object. It is perpendicular to the surface.

Accepted Answer

Normal force

Question 15

The law of action and reaction is:

Accepted Answer

Newton's 3rd Law

Questions 15