POE Unit 2.1 Practice Test

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

• No forces are missing

• The normal force from the table pushing the cup up.

• The normal force form the table pushing the cup down.

• The friction force from the table pushing the cup left and right.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

• The normal force is exactly 15

• The normal force is less than 15

• The normal force is more than 15

• The normal force is -10

The hockey puck is moving at a constant velocity across the ice. What forces does the puck experience at this moment?

• None

• Gravity

• Gravity and Normal

• Gravity, Normal, and Friction

• Gravity, Normal, Friction, and Applied

The forces on this chandelier are...

• Gravity

• Gravity and Normal

• Gravity and Tension

• Gravity, Tension, Friction, and Applied

Name the missing force....

• weight force
• normal force
• frictional force
• tension force

Name the missing force...

• frictional force
• weight force
• thrust
• buoyant force

A box slides across a floor at a constant velocity. What forces act on the box?

• friction, gravity
• friction, tension, gravity
• friction, normal force, gravity
• friction, normal force, net force

A box is moving to the left up a ramp. Which way is the force of friction pointing?

• down the ramp to the right
• up the ramp to the left
• there is no friction
• straight up

What is a Free Body Diagram?

• Visual representation of force

• Visual representation of objects

• Visual representation of force and objects interactions

• Visual representation of gravity

Wind blowing at 20 mph.Vector or scalar?

• Scalar
• Vector