Q3 w1 Understanding Forces Quiz

Which force pulls objects towards the Earth?

• Applied Force

• Gravitational Force

• Electric Force

• Magnetic Force

What force is exerted by a stretched rubber band?

• Spring Force

• Drag Force

• Frictional Force

• Balanced Force

Which force opposes the motion of an object in a fluid?

• Applied Force

• Gravitational Force

• Drag Force

• Buoyant Force

What force allows boats to float on water?

• Applied Force

• Gravitational Force

• Drag Force

• Buoyant Force

Which force is responsible for the attraction between two magnets?

• Electric Force

• Magnetic Force

• Gravitational Force

• Frictional Force

A skydiver jumps from a plane. Which forces act on the skydiver?

• Gravitational Force only

• Gravitational Force and Drag Force

• Gravitational Force and Buoyant Force

• All of the above

A car moves at a constant speed. What can you say about the forces?

• Only one force acts on the car.

• The forces are unbalanced.

• The forces are balanced.

• No forces act on the car.

A ball is thrown upward. At its highest point, what happens to the forces?

• Forces become unbalanced.

• Forces become balanced.

• All forces disappear.

• Only gravity acts on the ball.

Why do objects fall at the same rate in a vacuum?

• Same size and shape.

• Same gravitational force.

• No air resistance.

• Same material.

How can you reduce friction on a box being pushed across a floor?

• Increase the box's weight.

• Decrease the box's weight.

• Make the floor smoother.

• Make the floor rougher.