Forces

Which of the following represents the force in the image?

• 38 N to the right
• 38 N to the left
• 38 N
• greater than 38 N to the right

As time passes which of the following values change?

• the magnitude of the force
• the direction of the force
• the mass of the force
• the direction and magnitude of the force

What force would be needed to pull the carrot out of the ground?

• 15 N
• greater than 15 N upwards
• 15 N downward
• greater than 15 N downward

Which force would be required for the cart to be standing still?

• 2550 N
• greater than 2550 N
• greater than 2550 N left
• 2550 N to the left

What is the net force on the system?

• 12 N to the right
• 12 N to the left
• 575 N to the right
• 587 N to the left

If the current stays the same but Luis paddles harder, increasing his force to 310 N, what will the overall effect be on his kayak?

• Move backward with a force of 765 N
• Move forward with a force of 765 N
• Move backward with a force of 145 N
• Move forward with a force of 145 N

The cart will move as if it were acted upon by a single force with a magnitude of...

• 50 N
• 150 N
• 200 N
• 350 N

What would happen to a box if one person pushes it to the right while another person pushes it harder to the left?

• The box will not move.
• The box will move to the right.
• The box will move to the left.
• The box will tip over.

What is the net force on the ball inside the box?

• 0.2 N upward
• 0.2 N downward
• 1.6 N upward
• 3.0 N

The table lists different forces acting on objects.  The final column is BEST labeled...

• velocity
• mass
• friction
• centripetal force