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Motion
Force
Simple Machines
Motion #2
Simple Machines #2
100
Which is the BEST example of Newton's first law of motion? A) A basketball thrown in the air falls to the ground. B) A soccer ball remains motionless until it is kicked by a player. C) A baseball player swings at an approaching ball. D) An ice skater pushes off from a wall and moves backwards.
What is B) A soccer ball remains motionless until it is kicked by a player.
100
Use the equation to solve the problem: F = W/D If the work done is 280 J, and the force used to do the work is applied over a distance of 7 m, what is the value of the force? A) 0.028 N B) 0.25 N C) 4.0 n D) 40 N
What is D) 40N
100
Which of these objects is an example of a wedge? A) seesaw B) screwdriver C) ax D) truck ramp
What is C. ax
100
(Equation: Time = Distance / Speed) A ball traveled 130 meters at a speed of 10 meters per second. How long did it take the ball to travel the 130 meters. A) 13 seconds B) 120 seconds C) 140 seconds D) 1300 seconds
What is A) 13 seconds?
100
(BONUS: 10X) A screw is an example of a simple machine that would be MOST useful for A) cutting a sandwich B) hammering a nail C) opening a corked bottle D) lifting a rock.
What is C) opening a corked bottle?
200
The law that states that the velocity of an object will remain unchanged unless an unbalanced force acts upon it is known as A) 1st law of motion B) 2nd law of motion C) 3rd law of motion D) Law of gravity.
What is A) 1st law of motion?
200
A student uses a lever to apply a 20-N force to a box while moving the box a distance of 0.5 meter. How much work did the student do while moving the box? Equation: W = F x D A) 10 J B) 40 J C) 100 J D) 400 J
What is A) 10 J?
200
(BONUS: 5X)The blade of a shovel acts as one type of machine as it separates soil when it enters the ground. The handle of the shovel acts as a second type of machine when the person using it lifts the soil. What two simple machines make up a shovel? A) pulley and wedge B) screw and inclined plane C) lever and pulley D) wedge and lever
What is D) wedge and lever.
200
An object is resting motionless on a surface. According to Newton's first law, the object will only start to move if A) the net forces on the object equal zero. B) an unbalanced force is applied to the object. C) the upward force of the object is equal to its acceleration. D) two forces that are equal and opposite are applied to the object.
What is B) an unbalanced force is applied to the object?
200
A logger splits a piece of wood. What simple machine splits the wood? A) wedge B) wheel and axle C) pulley D) lever
What is A) wedge?
300
(BONUS: 5X) During takeoff, the downward force exerted by a rocket on a gas is equal to the upward force exerted by the gas on the rocket. This action of equal and opposity forces is an example of A) 1st law B) 2nd law C) 3rd law D) law of gravity
What is C) 3rd law?
300
(BONUS: 8X) A high-speed train traveled at a rate of 120 kilometers per hour for 10 hours. What distance did the train travel? Equation: D = R x T A) 12 km B) 20 km C) 110 km D) 1,200km
What is D) 1,200 km?
300
Which simple machine is used to pry the lid off a can of paint?
What is lever?
300
Which of these BEST demonstrates Newton's 3rd law? A) A paddle boat moves because of the force the water exerts on the paddles. B) Gravity pulls an object toward Earth. C) Wind moves a piece of paper, but not a large rock, in the direction of a force. D) A net force causes an object at rest to change direction.
What is A) A paddle boat moves because of the force the water exerts on the paddles?
300
What type of simple machine is a ramp? A) wedge B) lever C) screw D) inclined plane
What is D) inclined plane?
400
(BONUS: 8X) As the wheels of a train push down on a track, the track pushes back against the wheels. Which of Newton's laws is used to explain these forces? A) An object at rest tends to stay at rest unless acted upon by an unbalanced force. B) The net force of an object is equal to it mass times its acceleration. C) For every action, ther is an equal and opposite reaction. D) Any two objects exert a gravitational force of attraction on each other.
What is C) For every action, ther is an equal and opposite reaction?
400
(BONUS: 5X) (Use the equation: W = F x D) A gardener uses a lever to lift a rock from the ground. The gardener applies a force of 50 N and moves the rock 1.5 meters. How much work is being done by the gardener? A) 33.0 newton-meters B) 48.5 newton-meters C) 51.5 newton-meters D) 75.0 newton-meters
What is 75.0 newton-meters?
400
Which simple machine is a screwdriver?
What is wheel and axle?
400
According to Newton's 2nd law, why does it take more force to push a full shopping cart verses an empty one?
What is the full shopping cart has more mass?
400
A screw is most similar to what other simple machine?
What is inclined plane?
500
Which is the BEST example of Newton's second law of motion? A) A tennis ball and a bowling ball exery equal and opposite forces on one another when they collide. B)A tennis ball and a bowling ball accelerate at the same rate when subjected to the same force. C) A tennis ball accelerates less than a bowling ball when each ball is subjected to the same force. D) A tennis ball accelerates more than a bowling ball when each ball is subjected to the same force.
What is D) A tennis ball accelerates more than a bowling ball when each ball is subjected to the same force?
500
Newton's 1st law applies to
What is moving and nonmoving objects?
500
Which of the following is a simple machine? A) a pair of scissors B) a jar lid C) a bicycle D) a shovel
What is B) a jar lid?
500
(BONUS: 5X) A lever and an inclined plane are in station 1. Which of these BEST describes a function of these simple machines? A) They both can overcome friction with a rolling motion. B) They both can secure two parts of an object together. C) They both can separate two parts of an object. D) They both can help raise objects from the ground.
What is D) They both can help raise objects from the ground.
500
(BONUS: 8X) Which simple machine changes the direction of the force but not its size?
What is PULLEY?