Force Quiz

What is the Net force in the Picture?

• 125 N

• 75 N

• 200 N

• 50 N

What instrument can be used to measure a force?

• Anemometer
• Newtonmeter
• Weight scale
• Spring scale

A combination of all forces acting on an object is called the

• Gross force
• Collective force
• Unilateral force
• Net force

The box is not moving. Which of the following is true?

• One person is pulling more
• Netforce is greater than 0
• It is an unbalanced force
• It is a balanced force

If a car is moving at 50mph and the forces acting on it are balanced what will happen to the speed?

• Increase
• Decrease
• Continue to go 50mph
• The car will stop

Mason and AJ were pushing a car that had broken down. Each was pushing with a force of 50N. The friction pushing in the opposite direction was 20N. Find net force.

• 120 N
• 100 N
• 30 N
• 80 N

Balanced forces will cause _______ change in the motion of an object:

• Some
• Equal
• Greater
• No

What unit is used to measure force?

• Nanograms
• Pounds
• Kilograms
• Newtons

What is the net force and what direction will the object move?

• 10 N down
• 10 N up
• 3 N up
• 3 N down

Some students in 8th grade were playing tug of war. The blue team pulled with a force of 50N and the red team pulled with a force of 75N. The teacher came to help the blue team and pulled with a force of 20N. Who won the tug of war?

• They tied
• Blue
• Red