Biomechanics Quiz

What remains constant whether you're on Earth or the Moon?

• Weight

• Mass

• Gravity

• Volume

What happens to the force needed to move an object as its mass increases?

• The force needed decreases

• The force needed remains the same

• The force needed increases

• The force needed becomes zero

Why does a sprinter need to apply a larger force at the start of a race?

• To maintain constant speed

• To decelerate quickly

• To build up speed

• To stop immediately

Which of the following is NOT a type of force mentioned in the text?

• Gravitational force

• Frictional force

• Magnetic force

• Muscle contractions

What can cause a moving object to slow down according to Newton's 1st Law?

• Increased speed

• Wind resistance

• Lack of motion

• Constant velocity

What does Newton's 2nd Law of Motion state about acceleration?

• Acceleration depends on the object's color and shape.

• Acceleration depends on the force applied and the object's mass.

• Acceleration is independent of any external factors.

• Acceleration only depends on the object's speed.

What example is given to illustrate Newton's 2nd Law in sports?

• A soccer player kicking a ball.

• A lighter basketball player accelerating faster than a heavier player.

• A swimmer moving through water.

• A cyclist pedaling uphill.

What effect does the force of a racquet swing have on a tennis ball?

• It causes the ball to decelerate.

• It causes the ball to change color.

• It causes the ball to accelerate in the direction of the swing force.

• It causes the ball to stop moving.

What does Newton's 3rd Law state?

• For every action, there is an equal and opposite reaction.

• An object in motion stays in motion.

• Force equals mass times acceleration.

• Energy cannot be created or destroyed.

In the example of a swimmer, what is the relationship between the force exerted by the swimmer and the wall?

• The swimmer's force is greater.

• The wall's force is greater.

• They are equal in size and opposite in direction.

• They cancel each other out.