Forces and motion Exit Ticket

What is the net force?

• 30 N 
• 25 N 
• 5 N 
• 55 N 

8 N to the left , and 4 N to the right. Find the net force. Is this balanced 

• 12 N Right  No
• 4 N Left  No
• 12 N Right  Yes
• 4 N Left  Yes

Determine the momentum of 1000-kg car moving southward at 20 m/s......... 

• 20000 N
• 20000 Joules
• 20000 Kg * m/s south
• 10000 kg * m/s south

A 0.250 kg cart moving at 0.400 m/s has how much momentum?

• 0.1 kg-m/s
• 1 kg-m/s
• 10 kg-m/s
• 100 kg-m/s

A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds
• 35 seconds
• 0.3 seconds
• 3.3 seconds

A squirrel has a weight of 4.9 N. What is his Mass if he is running on the Ground?

• 4.9 kg

• 9.8 N/kg

• 0.5 kg

• 5.0 kg

You fly to Venus and research if life can exist there. Your mass is 100 kg and have a weight of 90 N what is the Gravitational strength of Venus?

• 900 N/kg

• 9 N/kg

• 0.9 N/kg

• 9000 N/ kg

An object with a mass of 2.0 kg accelerates 2.0 m/s² when an unknown force is applied to it. What is the amount of the force?

• 4 N
• 0.4 N
• 1 N
• 0.1 N

An object accelerates 5 m/s² when a force of 20 newtons is applied to it. What is the mass of the object?

• 4 kg

• 20 kg

• 0.5 kg

• 2 kg