3NT Chapter 3 Effects of Forces Part III

3NT Chapter 3 Effects of Forces Part III

Multiple Choice

Where is the object not moving

• A-B
• O-A
• C-D
• B-C

Multiple Choice

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Multiple Choice

At 60 seconds, how far had this object traveled? 

• 0 m
• 10 m
• 20 m
• 40 m

Multiple Choice

How long did it take this object to travel back to its reference/starting point?

• 20 s
• 30 s
• 60 s
• 100 s

Multiple Choice

How long did it take this object to travel 10 m?

• 0 s
• 10 s
• 15 s
• 20 s

Multiple Choice

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

Multiple Choice

Describe the motion in the graph:

• Constant Speed (positive slope)

• Stopped (at rest)

• Acceleration (increasing speed)

• Return Home (negative slope)

Multiple Choice

Describe the motion in the graph:

• Constant Speed (positive slope)

• Stopped (at rest)

• Acceleration (increasing speed)

• Return Home (negative slope)

Multiple Choice

Describe the motion in the graph:

• Constant Speed (positive slope)

• Stopped (at rest)

• Acceleration (increasing speed)

• Return Home (negative slope)

Multiple Choice

Which one will loosened a nut more easily?

• a short spanner because a larger turning effect can be produced.

• a long spanner because a larger turning effect can be produced.

• a long spanner because a larger force can be produced.

• a short spanner because a larger force can be produced.

Multiple Choice

The figure below shows a man lifting a heavy rock using a steel bar. He pushes downwards on the end of the bar with a force F.

Which pivot positions allows the force F to be as small as possible?

• A

• B

• C

• D

Multiple Choice

The easiest way to open a heavy door  is by applying the force

• Near the hinges
• In the middle of the door
• At the edge of the door far from the hinges
• At the top of the door

Multiple Choice

One way to increase the turning force on a spanner is to:

• Use a shorter spanner

• Use a longer pivot

• Use a longer spanner

Multiple Choice

The further the force is from the pivot, the greater its turning effect.

• True

• False

Multiple Choice

The greater the force, the greater its turning effect.

• True

• False