Understanding Force and Motion

What is the definition of force?

• Force is an interaction that causes an object to change its velocity.

• Force is the mass of an object multiplied by its acceleration.

• Force is the distance an object travels over time.

• Force is a type of energy that can be stored.

How do you calculate speed?

• Speed = Distance - Time

• Speed = Distance / Time

• Speed = Time / Distance

• Speed = Distance + Time

What happens to an object when a force is applied?

• The object will always remain stationary.

• An object may accelerate, change direction, or deform.

• The object will float in the air without support.

• The object will spontaneously combust.

Name one type of force that pulls objects together.

• Tension

• Magnetism

• Gravity

• Friction

If a car travels 100 meters in 5 seconds, what is its speed?

• 15 meters per second

• 25 meters per second

• 20 meters per second

• 30 meters per second

What is the effect of gravity on objects?

• Gravity only affects objects in space.

• Gravity causes objects to repel each other.

• Gravity pulls objects towards each other, causing them to fall and giving them weight.

• Gravity has no effect on the weight of objects.

Can you name a force that pushes objects apart?

• Gravitational force

• Centrifugal force

• Repulsive force

• Attractive force

How does friction affect the motion of an object?

• Friction increases the speed of an object.

• Friction has no effect on motion.

• Friction opposes motion and can slow down or stop an object.

• Friction only affects objects in water.

What is the formula for calculating speed?

• Speed = Time / Distance

• Speed = Distance + Time

• Speed = Distance - Time

• Speed = Distance / Time

What happens to an object at rest when a force is applied?

• The object will remain at rest indefinitely.

• The object will explode due to the force.

• The object will move in the opposite direction of the applied force.

• The object will start to move in the direction of the applied force.