Physics Quiz 8

If I apply the same force to a ping pong ball and a bowling ball, which one will accelerate farther and faster?

• ping pong ball

• bowling ball

• I have no idea

How much force is needed to accelerate a 3kg skateboard at 5m/s²?

• 8N
• 1.6N
• 0.6N
• 15N

What Unit do we Measure Force in?

• Newtons

• Joules

• Force

• Kilograms

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

A car is 2000kg and accelerating at 20m/s², what is the net force applied to it?

• 40000 N
• 100 N
• 5 N
• 200 N

How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?

• 36 N
• 12 N
• 3 N
• 0.33 N

What are the appropriate units to describe acceleration?

• m/s
• m/s²
• cm
• there are no units associated with acceleration

What two variables define force?

• speed and velocity

• mass and acceleration

• mass and velocity

• distance and time

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

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