Physics - Forces

What is the resultant force when opposite forces are of equal sizes?

• 0N

• 100N

• 200N

• 300N

According to Newton's First Law, what happens when the forces are balanced?

• The object will change direction.

• The object will change speed.

• The object will continue in the same direction at the same speed.

• The object will stop moving.

What is the resultant force when a 400N force is opposed by a 30N force?

• 370N forward

• 370N backward

• 430N forward

• 430N backward

Match the following scenarios with their outcomes when the forces on an object are unbalanced:

• Object enters a black hole.

• The object will split into two.

• Forces are balanced.

• The object will remain stationary.

• Forces are unbalanced.

• The object will change its speed, direction, or shape.

• Object undergoes fission.

• The object will disappear.

What is the resultant force when a 200N force is opposed by another 200N force?

• 0N

• 400N

• 200N

• 100N

What happens to an airplane when the forces acting on it are balanced?

• It rises up.

• It drops down.

• It maintains a constant height.

• It accelerates forward.

What is the resultant force when a 100N force is opposed by a 20N force?

• 80N upwards

• 80N downwards

• 120N upwards

• 120N downwards