Which statement best describes what is happening when a helicopter lifts off the ground?
A. The force of the helicopter lifting off is greater than the force of gravity.
B. The force of the helicopter lifting off is the same as the force of gravity.
A. The force of the helicopter lifting off is greater than the force of gravity.
4 N 8N
----> O <-------
What will be the difference in force and direction the ball will move?
A. 4N, to the left
B. 4N, to the right
C. 12N, to the left
D. 12N, to the right
A. 4N, to the left
The mass of a bowling ball is 5,000 g. The mass of a golf ball is 50 g.
Which statement explains the forces needed to move the bowling ball and golf ball?
A. The bowling ball will need less force to move than the golf ball.
B. The golf ball will need less force to move than the bowling ball.
B. The golf ball will need less force to move than the bowling ball.
Jack is pushing a cart of groceries . He applies 20N of force to get the cart across the store. Jack adds more food. Now the car weighs double the mass as it did before.
How much force will be required to move the cart at the same speed as before?
A. 10N
B. 20N
C. 30N
D. 40N
D. 40N
Which diagram is a representation of a balanced force on a ball?
B
What force is most responsible for pulling the object up the ramp?
A. friction
B. gravity
B. gravity
A dad and his son were testing the time it took for a toy car to roll down a ramp.
Trial 1: 15 seconds to go down ramp
Trial 2: 18 seconds to go down ramp covered with carpet
Trial 3: 11 Seconds to go down a ramp covered in ice
What were the dad and son testing in their trials?
A. The effect of gravity on the ramp
B. The effect of gravity on the toy car
C. The effect of friction on the ramp
D. the effect of friction on the toy car
D. The effect of friction on the toy car
A. Putting sand on the floor
B. Putting water on a slide
C. Putting pebbles on the street
B. Putting water on a slide
----> O O
Ball 1 Ball 2
What is most likely to happen to Ball 2?
A. Ball 2 will remain in place
B. Ball 2 will roll to the left
C. Ball 2 will roll to the right
D. Ball 2 will go into the air
C. Ball 2 will roll to the right
In a game of tug-of-war, a rope is stretched, and a pulling force is applied at each end of the rope.
If more force is applied to one end of the rope than the other, what will happen?
A. The rope will move upward.
B. The rope will move in the direction of the greater force.
C. The rope will break
B. The rope will move in the direction of the greater force.
Which diagram best represents the pull of the Earth's gravity on objects?
If each wagon below was pushed with the same amount of force, which one would move the slowest?
Jon has a toy car collection. One day, he rolled one of the cars across the floor and measured the speed. He added a sloped ramp and rolled the car again.
What should Jon discover about the motion of the car after rolling down the ramp?
A. The car will go both faster and farther.
B. The car will go slower but farther.
A. The car will go both faster and farther.
Which car traveled the fastest?
A. Car 1
B. Car 2
C. Car 3
A. Car 1
Conner is rearranging his bedroom to make room for a new bed. Which object will Conner have to use the least force to move?
A. The pillow
B. The bedframe
C. The mattress
D. The comforter and sheets
A. The pillow
Which of the following statements describe the effects of gravity on an object? (Must choose all that Apply)
The planets orbiting the Sun.
Rain showers making the roads more slippery.
A balloon floating into the sky when it is let go.
Turtles swimming on top of the water in a pond.
The water running down the drain in a bathtub.
Sliding a match across a rough surface to light it.
The football falling to the ground after a missed catch.
The planets orbiting the Sun.
The water running down the drain in a bathtub.
The football falling to the ground after a missed catch.
Which conditions will help an athlete throw a ball fastest?
A. Increase the mass of the ball, and increase the friction the ball experiences.
B. Decrease the mass of the ball, and decrease the friction the ball experiences.
B. Decrease the mass of the ball, and decrease the friction the ball experiences.
Which statement is true about the relationship between force and an object’s mass?
A. Objects with greater mass require less force to move than objects with less mass.
B. Objects with less mass require less force to move than objects with greater mass.
B. Objects with less mass require less force to move than objects with greater mass.
Which is an example of a balanced force?
A. A car traveling down the highway
B. A boy sitting in a seat watching a game
C. A person pushing a cart to the checkout
D. A girl swinging on a swing set
B. A boy sitting in a seat watching a game
2 girls push an identical toy car in the classroom on the same floor starting in the same location. Girl 1's girl went twice as far as girl 2's. Why is that?
A. Girl 1 pushed with less force
B. Girl 2 pushed with less force
C. It can not be determined
B. Girl 2 pushed with less force
A kangaroo is well known for moving by hopping.
Why does the height of a kangaroo’s jump have no effect on whether the kangaroo lands back on the ground?
A. The magnetic force between the kangaroo’s feet and the ground pulls the kangaroo down.
B. The gravitational force of Earth pulls the kangaroo down.
B. The gravitational force of Earth pulls the kangaroo down.
A B
C D
Which dumbbell requires the greatest amount of force to lift?
D. 9 kg
A man is lifting a chair into a truck. He needs to lift the chair higher to get it over the bumper of the truck.
What can the man do in order to lift the chair higher?
A. He can lift the chair with greater force.
B. He can increase the mass of the chair.
A. He can lift the chair with greater force.
Mark kicks a soccer ball into the air against the wind. How will the wind affect the ball?
A. It will speed up the ball
B. It will change the balls direction
C. It will slow down the ball or make it stop
D. It will not affect the ball
C. It will slow down the ball or make it stop
Which object on the surface of the Earth would have the least gravitational force?
A. A mouse
B. A bowling ball
C. An elephant
D. A tree
A. A Mouse