Force and Pressure 8 Assignment 01
Answers are at the end.
Q1.
What is the scientific term for a push or pull on an object?
- A) Pressure
- B) Force
- C) Friction
- D) Gravity
Q2.
A goalkeeper stops a moving football. What effect does the force applied by the goalkeeper have on the ball?
- A) Increases its speed
- B) Changes its direction only
- C) Decreases its speed to zero
- D) Changes its shape only
Q3.
Which of the following is an example of a non-contact force?
- A) Muscular force
- B) Friction
- C) Magnetic force
- D) Pushing a cart
Q4.
Two friends push a heavy box in opposite directions with equal force. What will happen to the box?
- A) It will move in the direction of the stronger friend
- B) It will not move
- C) It will move faster
- D) It will change shape only
Q5.
What is pressure defined as?
- A) Force multiplied by area
- B) Force divided by area
- C) Force plus area
- D) Force minus area
Q6.
A nail can be driven into wood more easily with its pointed end than its head because:
- A) The pointed end has a larger area
- B) The pointed end has a smaller area, increasing pressure
- C) The head has less force
- D) The head applies a non-contact force
Q7.
Which force slows down a rolling ball on the ground?
- A) Gravitational force
- B) Magnetic force
- C) Friction
- D) Electrostatic force
Q8.
In a tug-of-war, the rope does not move when both teams pull with equal force. What does this indicate?
- A) The net force is zero
- B) The forces are in the same direction
- C) The rope has no magnitude
- D) Friction is absent
Q9.
Which of the following can a force NOT do to an object?
- A) Change its speed
- B) Change its direction
- C) Change its shape
- D) Move it without interaction
Q10.
A rubber sucker sticks to a surface after pressing out the air. What force makes it hard to pull off?
- A) Muscular force
- B) Friction
- C) Atmospheric pressure
- D) Gravitational force
Answers:
- B) Force
- C) Decreases its speed to zero
- C) Magnetic force
- B) It will not move
- B) Force divided by area
- B) The pointed end has a smaller area, increasing pressure
- C) Friction
- A) The net force is zero
- D) Move it without interaction
- C) Atmospheric pressure
