Forces Quiz

You throw a ball vertically upward. Which diagram represent the force(s) on the ball the instant it leaves your hand.

• 
• 
• 
• 
• 

Weston pushes a 10 kg (frictionless) cart with a force of 50 N [W]. Easton pushes the cart the in the opposite direction. With what force does Easton push if the cart accelerates at 10 m/s² [E]?

• 150 N

• 100 N

• 50 N

• 0 N

Luke pushes a box across the ice with a force of 20 N. The box accelerates at 5 m/s². What is the mass of the box?

• 4 kg

• 5 kg

• 0.25 kg

• 1 kg

In what direction is the normal force?

• Up

• Down

• Parallel to the surface

• None of the others

Which of the following is a measure of weight?

• 2 m/s²

• 4 N

• 1 kg

• None of the others

Mr. Brown pushes, and accelerates, an 894,000 kg transport truck across the parking lot. If more mass is added to the transport, the rate of acceleration will…

• Increase

• Decrease

• Stay the same

For an object at rest, which of the following statements is true?

• The net force is zero

• There is no force acting on the object

• Gravity can be the only force acting on the object

• None of the others

For an object travelling with a constant velocity, which of the following statements is true?

• The net force is zero

• There is no force acting on the object

• The net force must be in the direction of motion

• There must be a least one force acting on the object

The graph shows the motion of a 6 kg object on a frictionless surface. What was the force on the object during segment C?

• 6 N [N]

• 6 N [S]

• 36 N [N]

• 36 N [S]

• 1 N [S]

Of the following, which force is the strongest?

• Electromagnetic

• Gravity

• Weak Nuclear Force