Phy 12

The unit of Force is

• Kilogram metre per second square

• Kilogram metre per second

• Kilogram metre

• Metre per second

Velocity is a vector quantity

• True

• False

We can hear sound in space

• True

• False

Speed is velocity with direction

• True

• False

Acceleration is rate of change of

• Velocity

• Distance

• Time

• Displacement

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right
• 10 N left
• 60 N right
• 50 N left

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right
• 10 N left
• 60 N right
• 50 N left

Peanut ran 50 meters in 10 seconds.  What was Peanut's average speed?

• 2 m/s
• 5 km/h
• 5 m/s
• 5 m/s North

What is the net force?

• 17 N Right
• 3 N Right
• 3 N Left
• 17 N Left

If a man and woman push each other in opposite directions at both 9 N, what is the net force?

• 81 N
• 18 N
• 1 N
• 0 N