Forces Question Preview (ID: 49878)


Basic Review Of Force, Gravity, Friction, Mass, And Speed. TEACHERS: click here for quick copy question ID numbers.

What was the average speed of a car that traveled 180 miles in 2 hours? Speed = distance ÷ time
a) 90 mph
b) 180 mph
c) 45 mph
d) 30 mph

Five students ran a 50-yard race. Sheriff finished the race in 21 seconds. Aya finished in 22 seconds. Salman finished in 16 seconds. David finished in 34 seconds. Jose finished in 21 seconds. Who won the race?
a) Salman
b) Sheriff
c) Aya
d) David

What is speed?
a) how fast or slow an object moves
b) a force that pulls you to the Earth and pulls planets around the sun
c) how many pieces of matter in an object
d) a force that slows down or stops an object from moving

Salman kicks two soccer balls the same distance. Ball X travels the distance in 5 seconds. Ball Y travels the distance in 14 seconds. Which statement is true?
a) Ball X travels faster than Ball Y
b) Ball Y travels faster than Ball X
c) Both balls travel at the same speed
d)

What is mass?
a) how fast or slow an object moves
b) how many pieces of matter in an object
c) a force that slows down or stops an object from moving
d) a force that pulls you to the Earth and pulls planets around the sun

How does the mass of an object affect the acceleration of the object?
a) The greater the mass of an object, the greater the force needed to accelerate it.
b) The greater the mass of an object, the smaller the force needed to accelerate it.
c)
d)

Ahmed has four solid balls. Which ball needs the most force to move it?
a) the ball with a mass of 5 kg
b) the ball with a mass of 15 kg
c) the ball with a mass of 25 kg
d) the ball with no mass

Alex launched two rockets with the same amount of force. Which rocket will go the shortest distance? Look at the mass of the rockets.
a) Rocket 1 - 500 grams
b) Rocket 2 - 100 grams
c)
d)

Yaslin pushed four toy cars with the same amount of force across a desk. Which toy car would most likely accelerate the slowest?
a) a car with a mass of 60 grams
b) a car with a mass of 25 grams
c) a car with a mass of 15 grams
d) a car with a mass of 20 grams

What is friction?
a) a force that slows down or stops an object from moving
b) when an object changes its speed
c) how many pieces of matter in an object
d) a force that pulls you to the Earth and pulls planets around the sun

Which surface will most likely cause a rolling ball to slow down the quickest? Hint: Bumpy things like sand make more friction.
a) grass
b) ice
c) sandpaper
d) tile

Yaslin runs 1500 meters around the school track. What does she need to know in order to find out her speed?
a) her time from start to finish
b) the number of steps she took
c) her heart rate at the finish line
d)

Mr. Fields puts sand on an icy road in the winter. How does this help him drive on the road? Hint: Bumpy things like sand make more friction.
a) The sand increases (makes more) friction between the road and the tires of a car.
b) The sand decreases (makes less) friction between the road and the tires of a car.
c)
d)

A boy sits on the grassy side of a hill. Instead of sliding down the hill, he is able to stay in one place. What force keeps him from sliding down the hill?
a) friction
b) gravity
c) glue
d) magnets

What is gravity?
a) a force that pulls you to the Earth and pulls planets around the sun
b) how fast an object is moving
c) a foces that slows down or stops moving objects
d) how many pieces of matter in an object

What force is trying to pull a rocket back to Earth?
a) gravity
b) friction
c) magnetism
d) electricity

What force keeps the Earth orbiting around the sun?
a) gravity
b) friction
c) magnetism
d) electricity

What is a force?
a) a push or pull that changes how an object moves
b) how fast an object is moving
c) when an object changes its speed
d) how many pieces matter in an object

An airplane moving at 500 miles per hour from Greensboro to New York. The distance is 4000 miles. How many hours will the plane travel? time = distance ÷ speed
a) 8 hours
b) 10 hours
c) 36 hours
d) 1 hour

If a train travels west at 85 mph for 4 hours. What distance will the train travel? distance = speed x time
a) 340 miles
b) 84 miles
c) 360 miles
d) 40 miles

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