Forces and Laws of Motion

What is the unit for FORCE?

• N (Newtons)

• lbs (pounds)

• g (grams)

• m/s (meters per second)

In a tug of war game, the net force is 50 N to the left. The winning team pulled with a force of 200 N to the left. How much force did the losing team pull with?

• 50 N Right

• 100 N Right

• 150 N Right

• 250 N Left

What is the NET FORCE of this diagram?

• 17 N, right

• 17 N, left

• 23 N, right

• 12 N, up

1 Newton =

• m/s²

• 1kg x (m/s²)

• m/s

The force which acts perpendicular to the table, and which supports the computer resting on the table is called ........... force

• balanced

• unbalanced

• Normal

• Tension

Three boxes with given masses are resting on top of each other and they are all on the floor of a cupboard. The normal force acting on the blue box is ......

• 34.3 N

• 73.5 N

• 73.5 Kg

• 38.2 N

You have a ball with a weight of 76N. What is the mass of the ball?

• 76N

• 76kg

• 7.6kg

• 7.6N

Find the mass of a 5kg rock on Mercury with a gravitational pull of 3.59m/s/s.

• 5kg

• 17.95N

• 1.39N

• 0.718N

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

The amount of friction depends on the weight of the objects pressing together.

• True
• False