1st Law of Motion

What happens when multiple forces act in the same direction on an object?

• They make the object move in circles.

• They have no effect on the object.

• They add up to create a larger force.

• They cancel each other out.

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If a football is resting on the ground, what can be said about the forces acting on it?

• The forces are unbalanced.

• There is no force acting on it.

• The forces are balanced.

• The football is moving.

When a skydiver is falling at a constant speed, what is true about the forces acting on them?

• There is no force acting on the skydiver.

• The forces are balanced.

• The skydiver is accelerating.

• The forces are unbalanced.

What happens to a car when the driving force is greater than the air resistance?

• The car slows down.

• The car moves at a constant speed.

• The car speeds up.

• The car stops moving.

According to Newton's first law, what happens to an object if no resultant force acts on it?

• It will change direction.

• It will remain at rest or move at constant velocity.

• It will decelerate.

• It will accelerate.