Lab: Newton's Laws of Motion — Unit test Answers

Which example best represents balanced forces?

Which refers to the sum of all the forces that act upon an object?

An object in projectile motion will follow which path?

Which change will cause the gravitational force between a baseball and a soccer ball to increase?

Newton’s first law of motion was a giant leap forward in scientific thought during Newton’s time. Even today, the idea is sometimes difficult at first for people to understand.

A skydiver falls toward the ground at a constant velocity. Which statement best applies Newton’s laws of motion to explain the skydiver’s motion?

The chart lists the masses and velocities of four objects.

Anya knows the velocity of an object. What else does she need to know in order to find the object’s momentum?

Which statement correctly describes gravity?

The resulting net force of an object is represented below. →10 NWhich most likely represent the forces acting on the object?

Which would be represented by FN on a force diagram?

An object has a mass of 5 kg. What force is needed to accelerate it at 6 m/s2? (Formula: F=ma)

A bicycle has a momentum of 36 kg • m/s and a velocity of 4 m/s. What is the mass of the bicycle?

Jerome solves a problem using the law of conservation of momentum. What should Jerome always keep constant for each object after the objects collide and bounce apart?

When discussing Newton’s laws of motion, which terms do people most likely use when talking about Newton’s third law of motion?

Which refers to the force that one massive object exerts to attract another object?

A cart accelerates at 2 m/s2 when a force of 60 N is applied. What is the mass of the cart? (Formula: F=ma)

Two people push on the same door from opposite sides as shown.

Which describes an object in projectile motion?

According to Newton’s second law of motion, what is force equal to?