This quiz tests your knowledge of force, momentum, gravity & weight. It can be used in conjunction with the mind map on force, and the associated notes.
Two marbles, of the same mass, moving in opposite directions, collide head on. The red marble is moving to the right at 6 m/s, the green marble is moving at 2 m/s. The red marble is brought to rest by the collision. What is the velocity of the green marble after the collision?
Answer
4 m/s to the right
3 m/s to the right
4 m/s to the left
8 m/s to the right
8 m/s to the left
Question 5
Question
What is the formula for a moment of a force?
Answer
Force x acceleration
Force x perpendicular distance from fulcrum
Momentum x perpendicular distance from fulcrum
Force x momentum
Question 6
Question
What is the nature of the gravitational force between two objects?
Answer
Attractive
Repulsive
Question 7
Question
A sled of mass 60 kg is being pulled along the snow with a pulling force of 300 N. The resistance to its motion is 60 N. What is its acceleration?
Answer
5 m/s
4 m/s
- 4 m/s
- 5 m/s
Question 8
Question
What is weight measured in?
Answer
Grams
Kilograms
Newtons
Kilogram/metre
Question 9
Question
Which of the following are vector quantities
Answer
Weight
Force
Mass
Momentum
Distance
Question 10
Question
Calculate the force required to give a ball of mass 550 grams an acceleration of 300 metres per second squared.