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Shane and Brett push a toy car on a straight track. When Shane pushes the car, it goes a longer distance than when Brett pushes it. Which best explains this?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
A long, round balloon is fastened to the end of a toy rocket. When the balloon is blown up and released, the rocket launches into the air. Which force causes the rocket to launch?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
A truck is traveling 70 mph with a heavy load in its trailer. After the truck is unloaded, it again travels 70 mph. Which best explains how the force acting on the truck changed after the truck was unloaded?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
A girl walked for 30 minutes. She noticed that she traveled farther in the first 15 minutes of her walk than in the second 15 minutes. What can she conclude about her walk?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
Which must happen for a moving car to change direction?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
Two toy race cars are going to be raced down the same ramp. Which information is most helpful in predicting which car will win the race?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
In order for someone to push a heavy box 10 meters across a floor, which must happen?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
Carli is trying to determine if a force can change the direction of an object’s motion. The answer to which question will best help her come to a conclusion?
mass of the cars
Her average speed was faster during the first half of her walk.
Another force must act on the car.
A smaller force was needed to move the truck because it had less mass.
the air released from the balloon
What happens when a bat is used to hit a ball?
Shane applied more force to the car.
The force of the person pushing must be greater than the force of friction.
Check it!