HW2_Forces in One Dimension

Does mass matter for gravity's acceleration?

• Yes

• No

• It Depends

If the man pushes with an equal amount of force, which object will accelerate more?

• Car because it has more mass

• Lawnmower because it has less mass

• Car because it has less mass

• Lawnmower because it has more mass

Find how much force the man will need to exert to move the car.

• 5000 N

• 50 N

• 20,000 N

• 500 N

Which of the following Free-body diagrams accurately shows the force(s) acting on the object on the spring?

• 
• 
• 
• 

When a small car pushes a big truck, the truck applies an equal and opposite force on the car

• True

• False

Name the missing force...

• Frictional force

• Weight force

• Thrust

• Buoyant force

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

• 25000 m/s²

• 25 m/s²

• 10 m/s²

• 5 m/s²

Which is the unit of velocity?

• g m²/N

• N s/kg

• kg m/s

• kg/s

A butterfly crashes into a high-speed bus. The force experienced by the butterfly is ............... the force experienced by the bus.

• less than

• equal to

• greater than

• zero

For this question, refer to the image to the left...

The larger the ___________ of an object, the greater the ____________ needed to change the direction or the speed.

• mass / tow truck

• suitcases / force

• mass / force

• windows / force