Year 7 Science Forces

Forces are a... 

• Push, Pull or Twist
• Push and Pull 
• Push 
• Moving object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The standard international unit for force is... 

• Mass
• Kg
• SI
• N

Forces may cause an object to change shape if it is unable to move. 

• True
• False 

What is the difference between a contact and non-contact force? 

• Contact forces involve objects that touch whereas non-contact forces do not require touch
• Non-contact forces involve objects that touch whereas contact forces do not require touch

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which is an example of a contact force? 

• Gravity
• Magnetism 
• Friction 
• Kinetic Energy

Which is an example of an unbalanced force? 

• A car moving 3N forward
• A car travelling at a constant speed
• A car that is parked on the side of the road
• A car speeding up from 60km to 80km

Tags

NGSS.MS-PS2-2

If a force is balanced, no movement occurs. 

• True
• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A car is travelling at a constant speed. Which of the following statements is true? 

• The forces acting on the car are unbalanced 
• The forces acting on the car are balanced 
• The forces acting on the car are a causing it to change shape 
• The direction of the net force is forward

Tags

NGSS.MS-PS2-2

A book sits on a table. Which of the following sentences is true? 

• The forces acting on the book are balanced 
• The forces acting on the book are unbalanced
• The only force acting on the book is gravity
• The forces acting on the book are approximately 3N

Tags

NGSS.MS-PS2-4

Which of the following is true about the image shown? 

• The net force is 6N to the right
• The net force is 3N to the right 
• The net force is 6N to the left
• The net force is 3N to the left

Tags

NGSS.MS-PS2-2