Physics Test Review Question Preview (ID: 42548)


Use This Review Of Motion And Forces, Newton's Laws, Simple Machines, And Energy To Prepare For Your Physics Test. TEACHERS: click here for quick copy question ID numbers.

A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at the same speed. This is an example of the
a) law of gravity
b) third law of motion
c) first law of motion
d) second law of motion

The rate of acceleration of an object is determined by the mass of the object and
a) the forces acting on the object
b) the initial velocity of the object
c) the change in kinetic energy of the object
d)

A car is traveling on a highway at a constant velocity. Which statement BEST describes the forces acting on the car?
a) The forces acting on the car are balanced
b) The forces acting on the car are in the same direction
c) The forces acting on the car are continuing to increase
d) The forces acting on the car are equal to the force of gravity

When a speeding meteor enters Earth’s atmosphere, it slows down and becomes very hot due to friction. Which factor MOST influences the amount of friction that a meteor encounters when it enters the atmosphere?
a) the weather
b) magnetism
c) solar energy
d) air resistance

Which is MOST likely needed when describing the change in position of an object?
a) initial speed
b) reference point
c) direction change
d) constant rate

Two people are pushing a car. One person is pushing with a force of 450 N and the other person is pushing with a force of 300 N. What information is needed to determine the net force applied to the car by the people?
a) the direction of the road
b) the weight of the two people
c) the direction of the forces
d) the weight of the automobile

When astronauts walked on the Moon, they used weighted boots to help them walk due to the lower gravitational pull. What difference between Earth and the Moon accounts for the difference in gravity?
a) density
b) diameter
c) mass
d) volume

What is the amount of force required to accelerate a 20 kg object to 4 m/s²?
a) 5 N
b) 16 N
c) 24 N
d) 80 N

When riding a roller coaster, an electric motor pulls the roller coaster to the top of the first hill. What force pulls the roller coaster down the hill?
a) gravity
b) friction
c) mass
d) speed

Alice lifted 2 bricks a height of 4 meters (m) each. Each brick weighed 110 newtons (N). What was the total amount of work for Alice to move the bricks?
a) 55 joules
b) 440 joules
c) 550 joules
d) 880 joules

A teacher was discussing with the class that a bowling ball has more inertia than a basketball. Which physical property is MOST likely being compared?
a) area
b) mass
c) buoyancy
d) volume

Isaac Newton discovered the three laws of motion. Which example BEST illustrates Newton’s third law of motion, which describes action and reaction forces?
a) a vehicle rounds a curve and changes its acceleration
b) a book slides forward on a seat when the car stops
c) a rocket takes off from the ground
d) a heavier ball falls at the same speed as a lighter ball

When a button is pushed on a battery-operated clock, the time display is illuminated. What process has taken place?
a) pressure has been converted to light
b) force has been converted to light
c) opening an electric circuit has produced light
d) closing an electric circuit has produced light

Some plant cells need energy to carry nutrients across the cell membrane. Which type of energy transformation does these plant cells use to bring the nutrient molecule inside the cell membrane?
a) kinetic energy to potential energy
b) chemical energy to kinetic energy
c) potential energy to light energy
d) thermal energy to kinetic energy

The sound made by crickets occurs when the male crickets rubs its two hind legs together. Which type of energy transformation results in the sound made by crickets?
a) mechanical energy to sound energy
b) mechanical energy to chemical energy
c) thermal energy to chemical energy
d) sound energy to thermal energy

In a gasoline-powered car, chemical energy from gasoline is transformed to make the car move. The motion of the car is what form of energy?
a) radiant energy
b) nuclear energy
c) electrical energy
d) mechanical energy

Which simple machine increases the distance over which a load travels and reduces the needed force?
a) wheel and axle
b) wedge
c) pulley
d) inclined plane

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