IGCSE Chapter 3

A vector has both ____ and _____

• speed and length
• magnitude and direction
• degrees and radians
• style and grace

Equilibrium means _________

• being at rest
• traveling at light speed
• balance
• pushing or pulling

Tags

NGSS.HS-PS1-6

The combination of all forces acting on an object is called __________

• Parallelogram Rule
• Net Force
• Vector Quantity
• All the Jedi's using their abilities together

Tags

NGSS.HS-PS2-1

What does this mean?

• sum of forces equals zero
• everyone forget physics
• Billy and Bob will be falling 140 ft and 110 ft respectfully
• Billy and Bob's effective faith in their balance is zero

Tags

NGSS.HS-PS2-1

Using the parallelogram rule, which rope has the greater tension?

• A
• B
• Both are the same

Tags

NGSS.HS-PS2-1

What is the anticlockwise moment acting on this crane?

• 80,000Nm
• 100,000Nm
• 120,000Nm
• 140,000Nm

A lever is used to raised a mass with a wight of 12 Newtons using only 4 Newtons of force. How many times does the lever multiply the force?

• 12
• 4
• 3
• 32

Moment is a quantity that tells turning effect of a force about turning point. 

• TRUE
• FALSE

Which body part acts as the fulcrums of levers?

• lungs
• kidneys
• joints
• brain

What is the moment acting on the seesaw?

• 1.6Nm
• 15Nm
• 16N
• 4Nm

Tags

NGSS.HS-PS2-1